72780418

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{15361}}^1$

素因数の和:15489

約数の個数: 16

約数和(自身を含む): 115030656

約数和(自身を除く): 42250238

約数列:

[1, 2, 23, 46, 103, 206, 2369, 4738, 15361, 30722, 353303, 706606, 1582183, 3164366, 36390209, 72780418]

約数ペア:

[(1, 72780418), (2, 36390209), (23, 3164366), (46, 1582183), (103, 706606), (206, 353303), (2369, 30722), (4738, 15361)]