22222226

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:474

約数の個数: 32

約数和(自身を含む): 37632000

約数和(自身を除く): 15409774

約数列:

[1, 2, 13, 26, 31, 62, 79, 158, 349, 403, 698, 806, 1027, 2054, 2449, 4537, 4898, 9074, 10819, 21638, 27571, 31837, 55142, 63674, 140647, 281294, 358423, 716846, 854701, 1709402, 11111113, 22222226]

約数ペア:

[(1, 22222226), (2, 11111113), (13, 1709402), (26, 854701), (31, 716846), (62, 358423), (79, 281294), (158, 140647), (349, 63674), (403, 55142), (698, 31837), (806, 27571), (1027, 21638), (2054, 10819), (2449, 9074), (4537, 4898)]