1664893438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1621}}^1\times {\mathrm{39503}}^1$

素因数の和:41139

約数の個数: 16

約数和(自身を含む): 2691170496

約数和(自身を除く): 1026277058

約数列:

[1, 2, 13, 26, 1621, 3242, 21073, 39503, 42146, 79006, 513539, 1027078, 64034363, 128068726, 832446719, 1664893438]

約数ペア:

[(1, 1664893438), (2, 832446719), (13, 128068726), (26, 64034363), (1621, 1027078), (3242, 513539), (21073, 79006), (39503, 42146)]