81379466

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{123677}}^1$

素因数の和:123733

約数の個数: 16

約数和(自身を含む): 142477056

約数和(自身を除く): 61097590

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 123677, 247354, 865739, 1731478, 5812819, 11625638, 40689733, 81379466]

約数ペア:

[(1, 81379466), (2, 40689733), (7, 11625638), (14, 5812819), (47, 1731478), (94, 865739), (329, 247354), (658, 123677)]