557968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:862

約数の個数: 20

約数和(自身を含む): 1107568

約数和(自身を除く): 549600

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 811, 1622, 3244, 6488, 12976, 34873, 69746, 139492, 278984, 557968]

約数ペア:

[(1, 557968), (2, 278984), (4, 139492), (8, 69746), (16, 34873), (43, 12976), (86, 6488), (172, 3244), (344, 1622), (688, 811)]