64815005

素因数分解:

$5^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{521}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 78926400

約数和(自身を除く): 14111395

約数列:

[1, 5, 139, 179, 521, 695, 895, 2605, 24881, 72419, 93259, 124405, 362095, 466295, 12963001, 64815005]

約数ペア:

[(1, 64815005), (5, 12963001), (139, 466295), (179, 362095), (521, 124405), (695, 93259), (895, 72419), (2605, 24881)]