42909425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4259}}^1$

素因数の和:4313

約数の個数: 24

約数和(自身を含む): 59162880

約数和(自身を除く): 16253455

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 4259, 10075, 21295, 55367, 106475, 132029, 276835, 660145, 1384175, 1716377, 3300725, 8581885, 42909425]

約数ペア:

[(1, 42909425), (5, 8581885), (13, 3300725), (25, 1716377), (31, 1384175), (65, 660145), (155, 276835), (325, 132029), (403, 106475), (775, 55367), (2015, 21295), (4259, 10075)]