81321268

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{170843}}^1$

素因数の和:170871

約数の個数: 24

約数和(自身を含む): 172210752

約数和(自身を除く): 90889484

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 170843, 341686, 683372, 1195901, 2391802, 2904331, 4783604, 5808662, 11617324, 20330317, 40660634, 81321268]

約数ペア:

[(1, 81321268), (2, 40660634), (4, 20330317), (7, 11617324), (14, 5808662), (17, 4783604), (28, 2904331), (34, 2391802), (68, 1195901), (119, 683372), (238, 341686), (476, 170843)]