28175578

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{2357}}^1$

素因数の和:2541

約数の個数: 16

約数和(自身を含む): 43575840

約数和(自身を除く): 15400262

約数列:

[1, 2, 43, 86, 139, 278, 2357, 4714, 5977, 11954, 101351, 202702, 327623, 655246, 14087789, 28175578]

約数ペア:

[(1, 28175578), (2, 14087789), (43, 655246), (86, 327623), (139, 202702), (278, 101351), (2357, 11954), (4714, 5977)]