8989012

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 16216200

約数和(自身を除く): 7227188

約数列:

[1, 2, 4, 53, 106, 109, 212, 218, 389, 436, 778, 1556, 5777, 11554, 20617, 23108, 41234, 42401, 82468, 84802, 169604, 2247253, 4494506, 8989012]

約数ペア:

[(1, 8989012), (2, 4494506), (4, 2247253), (53, 169604), (106, 84802), (109, 82468), (212, 42401), (218, 41234), (389, 23108), (436, 20617), (778, 11554), (1556, 5777)]