1648816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{7927}}^1$

素因数の和:7948

約数の個数: 20

約数和(自身を含む): 3440752

約数和(自身を除く): 1791936

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 7927, 15854, 31708, 63416, 103051, 126832, 206102, 412204, 824408, 1648816]

約数ペア:

[(1, 1648816), (2, 824408), (4, 412204), (8, 206102), (13, 126832), (16, 103051), (26, 63416), (52, 31708), (104, 15854), (208, 7927)]