81009964

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{170189}}^1$

素因数の和:170217

約数の個数: 24

約数和(自身を含む): 171551520

約数和(自身を除く): 90541556

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 170189, 340378, 680756, 1191323, 2382646, 2893213, 4765292, 5786426, 11572852, 20252491, 40504982, 81009964]

約数ペア:

[(1, 81009964), (2, 40504982), (4, 20252491), (7, 11572852), (14, 5786426), (17, 4765292), (28, 2893213), (34, 2382646), (68, 1191323), (119, 680756), (238, 340378), (476, 170189)]