78810628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{2909}}^1$

素因数の和:3447

約数の個数: 24

約数和(自身を含む): 148863960

約数和(自身を除く): 70053332

約数列:

[1, 2, 4, 13, 26, 52, 521, 1042, 2084, 2909, 5818, 6773, 11636, 13546, 27092, 37817, 75634, 151268, 1515589, 3031178, 6062356, 19702657, 39405314, 78810628]

約数ペア:

[(1, 78810628), (2, 39405314), (4, 19702657), (13, 6062356), (26, 3031178), (52, 1515589), (521, 151268), (1042, 75634), (2084, 37817), (2909, 27092), (5818, 13546), (6773, 11636)]