861968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{3169}}^1$

素因数の和:3194

約数の個数: 20

約数和(自身を含む): 1768860

約数和(自身を除く): 906892

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 3169, 6338, 12676, 25352, 50704, 53873, 107746, 215492, 430984, 861968]

約数ペア:

[(1, 861968), (2, 430984), (4, 215492), (8, 107746), (16, 53873), (17, 50704), (34, 25352), (68, 12676), (136, 6338), (272, 3169)]