664755430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{47381}}^1$

素因数の和:47472

約数の個数: 32

約数和(自身を含む): 1269079488

約数和(自身を除く): 604324058

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 230, 305, 610, 1403, 2806, 7015, 14030, 47381, 94762, 236905, 473810, 1089763, 2179526, 2890241, 5448815, 5780482, 10897630, 14451205, 28902410, 66475543, 132951086, 332377715, 664755430]

約数ペア:

[(1, 664755430), (2, 332377715), (5, 132951086), (10, 66475543), (23, 28902410), (46, 14451205), (61, 10897630), (115, 5780482), (122, 5448815), (230, 2890241), (305, 2179526), (610, 1089763), (1403, 473810), (2806, 236905), (7015, 94762), (14030, 47381)]