81260524

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{495491}}^1$

素因数の和:495536

約数の個数: 12

約数和(自身を含む): 145674648

約数和(自身を除く): 64414124

約数列:

[1, 2, 4, 41, 82, 164, 495491, 990982, 1981964, 20315131, 40630262, 81260524]

約数ペア:

[(1, 81260524), (2, 40630262), (4, 20315131), (41, 1981964), (82, 990982), (164, 495491)]