68979472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{253601}}^1$

素因数の和:253626

約数の個数: 20

約数和(自身を含む): 141509916

約数和(自身を除く): 72530444

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 253601, 507202, 1014404, 2028808, 4057616, 4311217, 8622434, 17244868, 34489736, 68979472]

約数ペア:

[(1, 68979472), (2, 34489736), (4, 17244868), (8, 8622434), (16, 4311217), (17, 4057616), (34, 2028808), (68, 1014404), (136, 507202), (272, 253601)]