263227530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{123581}}^1$

素因数の和:123662

約数の個数: 32

約数和(自身を含む): 640649088

約数和(自身を除く): 377421558

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 123581, 247162, 370743, 617905, 741486, 1235810, 1853715, 3707430, 8774251, 17548502, 26322753, 43871255, 52645506, 87742510, 131613765, 263227530]

約数ペア:

[(1, 263227530), (2, 131613765), (3, 87742510), (5, 52645506), (6, 43871255), (10, 26322753), (15, 17548502), (30, 8774251), (71, 3707430), (142, 1853715), (213, 1235810), (355, 741486), (426, 617905), (710, 370743), (1065, 247162), (2130, 123581)]