1639302444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:405

約数の個数: 216

約数和(自身を含む): 4877238912

約数和(自身を除く): 3237936468

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 31, 36, 38, 39, 52, 57, 62, 76, 78, 93, 114, 117, 124, 156, 171, 186, 228, 234, 247, 279, 313, 342, 361, 372, 403, 468, 494, 558, 589, 626, 684, 722, 741, 806, 939, 988, 1083, 1116, 1178, 1209, 1252, 1444, 1482, 1612, 1767, 1878, 2166, 2223, 2356, 2418, 2817, 2964, 3249, 3534, 3627, 3756, 4069, 4332, 4446, 4693, 4836, 5301, 5634, 5947, 6498, 7068, 7254, 7657, 8138, 8892, 9386, 9703, 10602, 11191, 11268, 11894, 12207, 12996, 14079, 14508, 15314, 16276, 17841, 18772, 19406, 21204, 22382, 22971, 23788, 24414, 28158, 29109, 30628, 33573, 35682, 36621, 38812, 42237, 44764, 45942, 48828, 53523, 56316, 58218, 67146, 68913, 71364, 73242, 77311, 84474, 87327, 91884, 100719, 107046, 112993, 116436, 126139, 134292, 137826, 145483, 146484, 154622, 168948, 174654, 184357, 201438, 214092, 225986, 231933, 252278, 275652, 290966, 309244, 338979, 349308, 368714, 378417, 402876, 436449, 451972, 463866, 504556, 553071, 581932, 677958, 695799, 737428, 756834, 872898, 927732, 1016937, 1106142, 1135251, 1309347, 1355916, 1391598, 1468909, 1513668, 1659213, 1745796, 2033874, 2212284, 2270502, 2396641, 2618694, 2783196, 2937818, 3318426, 3502783, 4067748, 4406727, 4541004, 4793282, 5237388, 5875636, 6636852, 7005566, 7189923, 8813454, 9586564, 10508349, 13220181, 14011132, 14379846, 17626908, 21016698, 21569769, 26440362, 28759692, 31525047, 42033396, 43139538, 45536179, 52880724, 63050094, 86279076, 91072358, 126100188, 136608537, 182144716, 273217074, 409825611, 546434148, 819651222, 1639302444]

約数ペア:

[(1, 1639302444), (2, 819651222), (3, 546434148), (4, 409825611), (6, 273217074), (9, 182144716), (12, 136608537), (13, 126100188), (18, 91072358), (19, 86279076), (26, 63050094), (31, 52880724), (36, 45536179), (38, 43139538), (39, 42033396), (52, 31525047), (57, 28759692), (62, 26440362), (76, 21569769), (78, 21016698), (93, 17626908), (114, 14379846), (117, 14011132), (124, 13220181), (156, 10508349), (171, 9586564), (186, 8813454), (228, 7189923), (234, 7005566), (247, 6636852), (279, 5875636), (313, 5237388), (342, 4793282), (361, 4541004), (372, 4406727), (403, 4067748), (468, 3502783), (494, 3318426), (558, 2937818), (589, 2783196), (626, 2618694), (684, 2396641), (722, 2270502), (741, 2212284), (806, 2033874), (939, 1745796), (988, 1659213), (1083, 1513668), (1116, 1468909), (1178, 1391598), (1209, 1355916), (1252, 1309347), (1444, 1135251), (1482, 1106142), (1612, 1016937), (1767, 927732), (1878, 872898), (2166, 756834), (2223, 737428), (2356, 695799), (2418, 677958), (2817, 581932), (2964, 553071), (3249, 504556), (3534, 463866), (3627, 451972), (3756, 436449), (4069, 402876), (4332, 378417), (4446, 368714), (4693, 349308), (4836, 338979), (5301, 309244), (5634, 290966), (5947, 275652), (6498, 252278), (7068, 231933), (7254, 225986), (7657, 214092), (8138, 201438), (8892, 184357), (9386, 174654), (9703, 168948), (10602, 154622), (11191, 146484), (11268, 145483), (11894, 137826), (12207, 134292), (12996, 126139), (14079, 116436), (14508, 112993), (15314, 107046), (16276, 100719), (17841, 91884), (18772, 87327), (19406, 84474), (21204, 77311), (22382, 73242), (22971, 71364), (23788, 68913), (24414, 67146), (28158, 58218), (29109, 56316), (30628, 53523), (33573, 48828), (35682, 45942), (36621, 44764), (38812, 42237)]