78776945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 108017280

約数和(自身を除く): 29240335

約数列:

[1, 5, 13, 19, 65, 95, 227, 247, 281, 1135, 1235, 1405, 2951, 3653, 4313, 5339, 14755, 18265, 21565, 26695, 56069, 63787, 69407, 280345, 318935, 347035, 829231, 1211953, 4146155, 6059765, 15755389, 78776945]

約数ペア:

[(1, 78776945), (5, 15755389), (13, 6059765), (19, 4146155), (65, 1211953), (95, 829231), (227, 347035), (247, 318935), (281, 280345), (1135, 69407), (1235, 63787), (1405, 56069), (2951, 26695), (3653, 21565), (4313, 18265), (5339, 14755)]