81531142

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{529423}}^1$

素因数の和:529443

約数の個数: 16

約数和(自身を含む): 152474112

約数和(自身を除く): 70942970

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 529423, 1058846, 3705961, 5823653, 7411922, 11647306, 40765571, 81531142]

約数ペア:

[(1, 81531142), (2, 40765571), (7, 11647306), (11, 7411922), (14, 5823653), (22, 3705961), (77, 1058846), (154, 529423)]