1620484

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{241}}^1$

素因数の和:327

約数の個数: 18

約数和(自身を含む): 2918762

約数和(自身を除く): 1298278

約数列:

[1, 2, 4, 41, 82, 164, 241, 482, 964, 1681, 3362, 6724, 9881, 19762, 39524, 405121, 810242, 1620484]

約数ペア:

[(1, 1620484), (2, 810242), (4, 405121), (41, 39524), (82, 19762), (164, 9881), (241, 6724), (482, 3362), (964, 1681)]