86720564

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{19001}}^1$

素因数の和:19175

約数の個数: 24

約数和(自身を含む): 174514368

約数和(自身を除く): 87793804

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 19001, 38002, 76004, 133007, 266014, 532028, 3097163, 6194326, 12388652, 21680141, 43360282, 86720564]

約数ペア:

[(1, 86720564), (2, 43360282), (4, 21680141), (7, 12388652), (14, 6194326), (28, 3097163), (163, 532028), (326, 266014), (652, 133007), (1141, 76004), (2282, 38002), (4564, 19001)]