256880453815

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{5351}}^1\times {\mathrm{505327}}^1$

素因数の和:510702

約数の個数: 16

約数和(自身を含む): 324541854720

約数和(自身を除く): 67661400905

約数列:

[1, 5, 19, 95, 5351, 26755, 101669, 505327, 508345, 2526635, 9601213, 48006065, 2704004777, 13520023885, 51376090763, 256880453815]

約数ペア:

[(1, 256880453815), (5, 51376090763), (19, 13520023885), (95, 2704004777), (5351, 48006065), (26755, 9601213), (101669, 2526635), (505327, 508345)]