69257890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 136608768

約数和(自身を除く): 67350878

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 169, 214, 338, 383, 535, 766, 845, 1070, 1391, 1690, 1915, 2782, 3830, 4979, 6955, 9958, 13910, 18083, 24895, 36166, 40981, 49790, 64727, 81962, 90415, 129454, 180830, 204905, 323635, 409810, 532753, 647270, 1065506, 2663765, 5327530, 6925789, 13851578, 34628945, 69257890]

約数ペア:

[(1, 69257890), (2, 34628945), (5, 13851578), (10, 6925789), (13, 5327530), (26, 2663765), (65, 1065506), (107, 647270), (130, 532753), (169, 409810), (214, 323635), (338, 204905), (383, 180830), (535, 129454), (766, 90415), (845, 81962), (1070, 64727), (1391, 49790), (1690, 40981), (1915, 36166), (2782, 24895), (3830, 18083), (4979, 13910), (6955, 9958)]