81155116

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{28697}}^1$

素因数の和:28809

約数の個数: 24

約数和(自身を含む): 163922976

約数和(自身を除く): 82767860

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 28697, 57394, 114788, 200879, 401758, 803516, 2898397, 5796794, 11593588, 20288779, 40577558, 81155116]

約数ペア:

[(1, 81155116), (2, 40577558), (4, 20288779), (7, 11593588), (14, 5796794), (28, 2898397), (101, 803516), (202, 401758), (404, 200879), (707, 114788), (1414, 57394), (2828, 28697)]