72400013

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7457}}^1$

素因数の和:7556

約数の個数: 16

約数和(自身を含む): 88302720

約数和(自身を除く): 15902707

約数列:

[1, 7, 19, 73, 133, 511, 1387, 7457, 9709, 52199, 141683, 544361, 991781, 3810527, 10342859, 72400013]

約数ペア:

[(1, 72400013), (7, 10342859), (19, 3810527), (73, 991781), (133, 544361), (511, 141683), (1387, 52199), (7457, 9709)]