31997212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7789}}^1$

素因数の和:7885

約数の個数: 24

約数和(自身を含む): 61073600

約数和(自身を除く): 29076388

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 7789, 15578, 31156, 101257, 202514, 405028, 615331, 1230662, 2461324, 7999303, 15998606, 31997212]

約数ペア:

[(1, 31997212), (2, 15998606), (4, 7999303), (13, 2461324), (26, 1230662), (52, 615331), (79, 405028), (158, 202514), (316, 101257), (1027, 31156), (2054, 15578), (4108, 7789)]