405427841

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 510209280

約数和(自身を除く): 104781439

約数列:

[1, 7, 13, 89, 91, 113, 443, 623, 791, 1157, 1469, 3101, 5759, 8099, 10057, 10283, 39427, 40313, 50059, 70399, 130741, 275989, 350413, 512551, 650767, 915187, 3587857, 4455251, 4555369, 31186757, 57918263, 405427841]

約数ペア:

[(1, 405427841), (7, 57918263), (13, 31186757), (89, 4555369), (91, 4455251), (113, 3587857), (443, 915187), (623, 650767), (791, 512551), (1157, 350413), (1469, 275989), (3101, 130741), (5759, 70399), (8099, 50059), (10057, 40313), (10283, 39427)]