280804988

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{821}}^1\times {\mathrm{2311}}^1$

素因数の和:3173

約数の個数: 24

約数和(自身を含む): 505523424

約数和(自身を除く): 224718436

約数列:

[1, 2, 4, 37, 74, 148, 821, 1642, 2311, 3284, 4622, 9244, 30377, 60754, 85507, 121508, 171014, 342028, 1897331, 3794662, 7589324, 70201247, 140402494, 280804988]

約数ペア:

[(1, 280804988), (2, 140402494), (4, 70201247), (37, 7589324), (74, 3794662), (148, 1897331), (821, 342028), (1642, 171014), (2311, 121508), (3284, 85507), (4622, 60754), (9244, 30377)]