77121025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 99422208

約数和(自身を除く): 22301183

約数列:

[1, 5, 25, 31, 155, 191, 521, 775, 955, 2605, 4775, 5921, 13025, 16151, 29605, 80755, 99511, 148025, 403775, 497555, 2487775, 3084841, 15424205, 77121025]

約数ペア:

[(1, 77121025), (5, 15424205), (25, 3084841), (31, 2487775), (155, 497555), (191, 403775), (521, 148025), (775, 99511), (955, 80755), (2605, 29605), (4775, 16151), (5921, 13025)]