4422925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 6110720

約数和(自身を除く): 1687795

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 439, 775, 2015, 2195, 5707, 10075, 10975, 13609, 28535, 68045, 142675, 176917, 340225, 884585, 4422925]

約数ペア:

[(1, 4422925), (5, 884585), (13, 340225), (25, 176917), (31, 142675), (65, 68045), (155, 28535), (325, 13609), (403, 10975), (439, 10075), (775, 5707), (2015, 2195)]