649711764

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2430

約数の個数: 144

約数和(自身を含む): 1922618880

約数和(自身を除く): 1272907116

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, 342, 372, 403, 468, 494, 558, 589, 684, 741, 806, 988, 1116, 1178, 1209, 1482, 1612, 1767, 2223, 2356, 2357, 2418, 2964, 3534, 3627, 4446, 4714, 4836, 5301, 7068, 7071, 7254, 7657, 8892, 9428, 10602, 14142, 14508, 15314, 21204, 21213, 22971, 28284, 30628, 30641, 42426, 44783, 45942, 61282, 68913, 73067, 84852, 89566, 91884, 91923, 122564, 134349, 137826, 146134, 179132, 183846, 219201, 268698, 275652, 275769, 292268, 367692, 403047, 438402, 537396, 551538, 582179, 657603, 806094, 876804, 949871, 1103076, 1164358, 1315206, 1388273, 1612188, 1746537, 1899742, 2328716, 2630412, 2776546, 2849613, 3493074, 3799484, 4164819, 5239611, 5553092, 5699226, 6986148, 8329638, 8548839, 10479222, 11398452, 12494457, 16659276, 17097678, 18047549, 20958444, 24988914, 34195356, 36095098, 49977828, 54142647, 72190196, 108285294, 162427941, 216570588, 324855882, 649711764]

約数ペア:

[(1, 649711764), (2, 324855882), (3, 216570588), (4, 162427941), (6, 108285294), (9, 72190196), (12, 54142647), (13, 49977828), (18, 36095098), (19, 34195356), (26, 24988914), (31, 20958444), (36, 18047549), (38, 17097678), (39, 16659276), (52, 12494457), (57, 11398452), (62, 10479222), (76, 8548839), (78, 8329638), (93, 6986148), (114, 5699226), (117, 5553092), (124, 5239611), (156, 4164819), (171, 3799484), (186, 3493074), (228, 2849613), (234, 2776546), (247, 2630412), (279, 2328716), (342, 1899742), (372, 1746537), (403, 1612188), (468, 1388273), (494, 1315206), (558, 1164358), (589, 1103076), (684, 949871), (741, 876804), (806, 806094), (988, 657603), (1116, 582179), (1178, 551538), (1209, 537396), (1482, 438402), (1612, 403047), (1767, 367692), (2223, 292268), (2356, 275769), (2357, 275652), (2418, 268698), (2964, 219201), (3534, 183846), (3627, 179132), (4446, 146134), (4714, 137826), (4836, 134349), (5301, 122564), (7068, 91923), (7071, 91884), (7254, 89566), (7657, 84852), (8892, 73067), (9428, 68913), (10602, 61282), (14142, 45942), (14508, 44783), (15314, 42426), (21204, 30641), (21213, 30628), (22971, 28284)]