66349871

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{521}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 81406944

約数和(自身を除く): 15057073

約数列:

[1, 7, 23, 49, 113, 161, 521, 791, 1127, 2599, 3647, 5537, 11983, 18193, 25529, 58873, 83881, 127351, 412111, 587167, 1354079, 2884777, 9478553, 66349871]

約数ペア:

[(1, 66349871), (7, 9478553), (23, 2884777), (49, 1354079), (113, 587167), (161, 412111), (521, 127351), (791, 83881), (1127, 58873), (2599, 25529), (3647, 18193), (5537, 11983)]