637321490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4957}}^1$

素因数の和:5043

約数の個数: 64

約数和(自身を含む): 1319383296

約数和(自身を除く): 682061806

約数列:

[1, 2, 5, 10, 13, 23, 26, 43, 46, 65, 86, 115, 130, 215, 230, 299, 430, 559, 598, 989, 1118, 1495, 1978, 2795, 2990, 4945, 4957, 5590, 9890, 9914, 12857, 24785, 25714, 49570, 64285, 64441, 114011, 128570, 128882, 213151, 228022, 322205, 426302, 570055, 644410, 1065755, 1140110, 1482143, 2131510, 2770963, 2964286, 4902473, 5541926, 7410715, 9804946, 13854815, 14821430, 24512365, 27709630, 49024730, 63732149, 127464298, 318660745, 637321490]

約数ペア:

[(1, 637321490), (2, 318660745), (5, 127464298), (10, 63732149), (13, 49024730), (23, 27709630), (26, 24512365), (43, 14821430), (46, 13854815), (65, 9804946), (86, 7410715), (115, 5541926), (130, 4902473), (215, 2964286), (230, 2770963), (299, 2131510), (430, 1482143), (559, 1140110), (598, 1065755), (989, 644410), (1118, 570055), (1495, 426302), (1978, 322205), (2795, 228022), (2990, 213151), (4945, 128882), (4957, 128570), (5590, 114011), (9890, 64441), (9914, 64285), (12857, 49570), (24785, 25714)]