87190012

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1851

約数の個数: 72

約数和(自身を含む): 201319440

約数和(自身を除く): 114129428

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 931, 988, 1274, 1729, 1801, 1862, 2548, 3458, 3602, 3724, 6916, 7204, 12103, 12607, 23413, 24206, 25214, 34219, 46826, 48412, 50428, 68438, 88249, 93652, 136876, 163891, 176498, 239533, 327782, 352996, 444847, 479066, 655564, 889694, 958132, 1147237, 1676731, 1779388, 2294474, 3113929, 3353462, 4588948, 6227858, 6706924, 12455716, 21797503, 43595006, 87190012]

約数ペア:

[(1, 87190012), (2, 43595006), (4, 21797503), (7, 12455716), (13, 6706924), (14, 6227858), (19, 4588948), (26, 3353462), (28, 3113929), (38, 2294474), (49, 1779388), (52, 1676731), (76, 1147237), (91, 958132), (98, 889694), (133, 655564), (182, 479066), (196, 444847), (247, 352996), (266, 327782), (364, 239533), (494, 176498), (532, 163891), (637, 136876), (931, 93652), (988, 88249), (1274, 68438), (1729, 50428), (1801, 48412), (1862, 46826), (2548, 34219), (3458, 25214), (3602, 24206), (3724, 23413), (6916, 12607), (7204, 12103)]