80431868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{30983}}^1$

素因数の和:31057

約数の個数: 24

約数和(自身を含む): 156159360

約数和(自身を除く): 75727492

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 30983, 61966, 123932, 340813, 681626, 1363252, 1827997, 3655994, 7311988, 20107967, 40215934, 80431868]

約数ペア:

[(1, 80431868), (2, 40215934), (4, 20107967), (11, 7311988), (22, 3655994), (44, 1827997), (59, 1363252), (118, 681626), (236, 340813), (649, 123932), (1298, 61966), (2596, 30983)]