1220005904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{5865413}}^1$

素因数の和:5865434

約数の個数: 20

約数和(自身を含む): 2545589676

約数和(自身を除く): 1325583772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 5865413, 11730826, 23461652, 46923304, 76250369, 93846608, 152500738, 305001476, 610002952, 1220005904]

約数ペア:

[(1, 1220005904), (2, 610002952), (4, 305001476), (8, 152500738), (13, 93846608), (16, 76250369), (26, 46923304), (52, 23461652), (104, 11730826), (208, 5865413)]