405439775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{30427}}^1$

素因数の和:30491

約数の個数: 24

約数和(自身を含む): 554641584

約数和(自身を除く): 149201809

約数列:

[1, 5, 13, 25, 41, 65, 205, 325, 533, 1025, 2665, 13325, 30427, 152135, 395551, 760675, 1247507, 1977755, 6237535, 9888775, 16217591, 31187675, 81087955, 405439775]

約数ペア:

[(1, 405439775), (5, 81087955), (13, 31187675), (25, 16217591), (41, 9888775), (65, 6237535), (205, 1977755), (325, 1247507), (533, 760675), (1025, 395551), (2665, 152135), (13325, 30427)]