30831814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 52153920

約数和(自身を除く): 21322106

約数列:

[1, 2, 13, 26, 29, 58, 103, 206, 377, 397, 754, 794, 1339, 2678, 2987, 5161, 5974, 10322, 11513, 23026, 38831, 40891, 77662, 81782, 149669, 299338, 531583, 1063166, 1185839, 2371678, 15415907, 30831814]

約数ペア:

[(1, 30831814), (2, 15415907), (13, 2371678), (26, 1185839), (29, 1063166), (58, 531583), (103, 299338), (206, 149669), (377, 81782), (397, 77662), (754, 40891), (794, 38831), (1339, 23026), (2678, 11513), (2987, 10322), (5161, 5974)]