81657136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{24419}}^1$

素因数の和:24457

約数の個数: 40

約数和(自身を含む): 181684800

約数和(自身を除く): 100027664

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 24419, 48838, 97676, 195352, 268609, 390704, 463961, 537218, 927922, 1074436, 1855844, 2148872, 3711688, 4297744, 5103571, 7423376, 10207142, 20414284, 40828568, 81657136]

約数ペア:

[(1, 81657136), (2, 40828568), (4, 20414284), (8, 10207142), (11, 7423376), (16, 5103571), (19, 4297744), (22, 3711688), (38, 2148872), (44, 1855844), (76, 1074436), (88, 927922), (152, 537218), (176, 463961), (209, 390704), (304, 268609), (418, 195352), (836, 97676), (1672, 48838), (3344, 24419)]