64640723

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2851}}^1$

素因数の和:2978

約数の個数: 16

約数和(自身を含む): 76661760

約数和(自身を除く): 12021037

約数列:

[1, 7, 41, 79, 287, 553, 2851, 3239, 19957, 22673, 116891, 225229, 818237, 1576603, 9234389, 64640723]

約数ペア:

[(1, 64640723), (7, 9234389), (41, 1576603), (79, 818237), (287, 225229), (553, 116891), (2851, 22673), (3239, 19957)]