389628785

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12781}}^1$

素因数の和:12873

約数の個数: 32

約数和(自身を含む): 584086272

約数和(自身を除く): 194457487

約数列:

[1, 5, 7, 13, 35, 65, 67, 91, 335, 455, 469, 871, 2345, 4355, 6097, 12781, 30485, 63905, 89467, 166153, 447335, 830765, 856327, 1163071, 4281635, 5815355, 5994289, 11132251, 29971445, 55661255, 77925757, 389628785]

約数ペア:

[(1, 389628785), (5, 77925757), (7, 55661255), (13, 29971445), (35, 11132251), (65, 5994289), (67, 5815355), (91, 4281635), (335, 1163071), (455, 856327), (469, 830765), (871, 447335), (2345, 166153), (4355, 89467), (6097, 63905), (12781, 30485)]