1664742416

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{819263}}^1$

素因数の和:819398

約数の個数: 20

約数和(自身を含む): 3250839552

約数和(自身を除く): 1586097136

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 819263, 1638526, 3277052, 6554104, 13108208, 104046401, 208092802, 416185604, 832371208, 1664742416]

約数ペア:

[(1, 1664742416), (2, 832371208), (4, 416185604), (8, 208092802), (16, 104046401), (127, 13108208), (254, 6554104), (508, 3277052), (1016, 1638526), (2032, 819263)]