657512830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{10301}}^1$

素因数の和:10812

約数の個数: 32

約数和(自身を含む): 1277283168

約数和(自身を除く): 619770338

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 491, 982, 2455, 4910, 6383, 10301, 12766, 20602, 31915, 51505, 63830, 103010, 133913, 267826, 669565, 1339130, 5057791, 10115582, 25288955, 50577910, 65751283, 131502566, 328756415, 657512830]

約数ペア:

[(1, 657512830), (2, 328756415), (5, 131502566), (10, 65751283), (13, 50577910), (26, 25288955), (65, 10115582), (130, 5057791), (491, 1339130), (982, 669565), (2455, 267826), (4910, 133913), (6383, 103010), (10301, 63830), (12766, 51505), (20602, 31915)]