289404830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{202381}}^1$

素因数の和:202412

約数の個数: 32

約数和(自身を含む): 612003168

約数和(自身を除く): 322598338

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 202381, 404762, 1011905, 2023810, 2226191, 2630953, 4452382, 5261906, 11130955, 13154765, 22261910, 26309530, 28940483, 57880966, 144702415, 289404830]

約数ペア:

[(1, 289404830), (2, 144702415), (5, 57880966), (10, 28940483), (11, 26309530), (13, 22261910), (22, 13154765), (26, 11130955), (55, 5261906), (65, 4452382), (110, 2630953), (130, 2226191), (143, 2023810), (286, 1011905), (715, 404762), (1430, 202381)]