64344553

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 80520000

約数和(自身を除く): 16175447

約数列:

[1, 7, 13, 91, 109, 169, 499, 763, 1183, 1417, 3493, 6487, 9919, 18421, 45409, 54391, 84331, 128947, 380737, 590317, 707083, 4949581, 9192079, 64344553]

約数ペア:

[(1, 64344553), (7, 9192079), (13, 4949581), (91, 707083), (109, 590317), (169, 380737), (499, 128947), (763, 84331), (1183, 54391), (1417, 45409), (3493, 18421), (6487, 9919)]