158722590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{406981}}^1$

素因数の和:407004

約数の個数: 32

約数和(自身を含む): 410237856

約数和(自身を除く): 251515266

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 406981, 813962, 1220943, 2034905, 2441886, 4069810, 5290753, 6104715, 10581506, 12209430, 15872259, 26453765, 31744518, 52907530, 79361295, 158722590]

約数ペア:

[(1, 158722590), (2, 79361295), (3, 52907530), (5, 31744518), (6, 26453765), (10, 15872259), (13, 12209430), (15, 10581506), (26, 6104715), (30, 5290753), (39, 4069810), (65, 2441886), (78, 2034905), (130, 1220943), (195, 813962), (390, 406981)]