7718978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2861}}^1$

素因数の和:2953

約数の個数: 16

約数和(自身を含む): 12363840

約数和(自身を除く): 4644862

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 2861, 5722, 54359, 108718, 203131, 406262, 3859489, 7718978]

約数ペア:

[(1, 7718978), (2, 3859489), (19, 406262), (38, 203131), (71, 108718), (142, 54359), (1349, 5722), (2698, 2861)]