280149004804

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{991}}^1\times {\mathrm{648379}}^1$

素因数の和:649483

約数の個数: 24

約数和(自身を含む): 495258579200

約数和(自身を除く): 215109574396

約数列:

[1, 2, 4, 109, 218, 436, 991, 1982, 3964, 108019, 216038, 432076, 648379, 1296758, 2593516, 70673311, 141346622, 282693244, 642543589, 1285087178, 2570174356, 70037251201, 140074502402, 280149004804]

約数ペア:

[(1, 280149004804), (2, 140074502402), (4, 70037251201), (109, 2570174356), (218, 1285087178), (436, 642543589), (991, 282693244), (1982, 141346622), (3964, 70673311), (108019, 2593516), (216038, 1296758), (432076, 648379)]