81212726

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{16069}}^1$

素因数の和:16116

約数の個数: 24

約数和(自身を含む): 146944080

約数和(自身を除く): 65731354

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 16069, 32138, 112483, 224966, 305311, 610622, 2137177, 4274354, 5800909, 11601818, 40606363, 81212726]

約数ペア:

[(1, 81212726), (2, 40606363), (7, 11601818), (14, 5800909), (19, 4274354), (38, 2137177), (133, 610622), (266, 305311), (361, 224966), (722, 112483), (2527, 32138), (5054, 16069)]