549016775

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{521}}^1\times {\mathrm{691}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 694272528

約数和(自身を除く): 145255753

約数列:

[1, 5, 25, 61, 305, 521, 691, 1525, 2605, 3455, 13025, 17275, 31781, 42151, 158905, 210755, 360011, 794525, 1053775, 1800055, 9000275, 21960671, 109803355, 549016775]

約数ペア:

[(1, 549016775), (5, 109803355), (25, 21960671), (61, 9000275), (305, 1800055), (521, 1053775), (691, 794525), (1525, 360011), (2605, 210755), (3455, 158905), (13025, 42151), (17275, 31781)]