221498116

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 451584000

約数和(自身を除く): 230085884

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 191, 332, 382, 499, 581, 764, 998, 1162, 1337, 1996, 2324, 2674, 3493, 5348, 6986, 13972, 15853, 31706, 41417, 63412, 82834, 95309, 110971, 165668, 190618, 221942, 289919, 381236, 443884, 579838, 667163, 1159676, 1334326, 2668652, 7910647, 15821294, 31642588, 55374529, 110749058, 221498116]

約数ペア:

[(1, 221498116), (2, 110749058), (4, 55374529), (7, 31642588), (14, 15821294), (28, 7910647), (83, 2668652), (166, 1334326), (191, 1159676), (332, 667163), (382, 579838), (499, 443884), (581, 381236), (764, 289919), (998, 221942), (1162, 190618), (1337, 165668), (1996, 110971), (2324, 95309), (2674, 82834), (3493, 63412), (5348, 41417), (6986, 31706), (13972, 15853)]