81800804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{16943}}^1$

素因数の和:17035

約数の個数: 24

約数和(自身を含む): 153715968

約数和(自身を除く): 71915164

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4828, 16943, 33886, 67772, 288031, 576062, 1152124, 1202953, 2405906, 4811812, 20450201, 40900402, 81800804]

約数ペア:

[(1, 81800804), (2, 40900402), (4, 20450201), (17, 4811812), (34, 2405906), (68, 1202953), (71, 1152124), (142, 576062), (284, 288031), (1207, 67772), (2414, 33886), (4828, 16943)]