123388356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{313}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 375172224

約数和(自身を除く): 251783868

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 182, 228, 247, 266, 273, 313, 361, 364, 399, 494, 532, 546, 626, 722, 741, 798, 939, 988, 1083, 1092, 1252, 1444, 1482, 1596, 1729, 1878, 2166, 2191, 2527, 2964, 3458, 3756, 4069, 4332, 4382, 4693, 5054, 5187, 5947, 6573, 6916, 7581, 8138, 8764, 9386, 10108, 10374, 11894, 12207, 13146, 14079, 15162, 16276, 17841, 18772, 20748, 23788, 24414, 26292, 28158, 28483, 30324, 32851, 35682, 41629, 48828, 56316, 56966, 65702, 71364, 77311, 83258, 85449, 98553, 112993, 113932, 124887, 131404, 154622, 166516, 170898, 197106, 225986, 231933, 249774, 309244, 338979, 341796, 394212, 451972, 463866, 499548, 541177, 677958, 790951, 927732, 1082354, 1355916, 1468909, 1581902, 1623531, 2164708, 2372853, 2937818, 3163804, 3247062, 4406727, 4745706, 5875636, 6494124, 8813454, 9491412, 10282363, 17626908, 20564726, 30847089, 41129452, 61694178, 123388356]

約数ペア:

[(1, 123388356), (2, 61694178), (3, 41129452), (4, 30847089), (6, 20564726), (7, 17626908), (12, 10282363), (13, 9491412), (14, 8813454), (19, 6494124), (21, 5875636), (26, 4745706), (28, 4406727), (38, 3247062), (39, 3163804), (42, 2937818), (52, 2372853), (57, 2164708), (76, 1623531), (78, 1581902), (84, 1468909), (91, 1355916), (114, 1082354), (133, 927732), (156, 790951), (182, 677958), (228, 541177), (247, 499548), (266, 463866), (273, 451972), (313, 394212), (361, 341796), (364, 338979), (399, 309244), (494, 249774), (532, 231933), (546, 225986), (626, 197106), (722, 170898), (741, 166516), (798, 154622), (939, 131404), (988, 124887), (1083, 113932), (1092, 112993), (1252, 98553), (1444, 85449), (1482, 83258), (1596, 77311), (1729, 71364), (1878, 65702), (2166, 56966), (2191, 56316), (2527, 48828), (2964, 41629), (3458, 35682), (3756, 32851), (4069, 30324), (4332, 28483), (4382, 28158), (4693, 26292), (5054, 24414), (5187, 23788), (5947, 20748), (6573, 18772), (6916, 17841), (7581, 16276), (8138, 15162), (8764, 14079), (9386, 13146), (10108, 12207), (10374, 11894)]