31420025

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1973}}^1$

素因数の和:2010

約数の個数: 36

約数和(自身を含む): 48832812

約数和(自身を除く): 17412787

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 455, 637, 1225, 1973, 2275, 3185, 9865, 13811, 15925, 25649, 49325, 69055, 96677, 128245, 179543, 345275, 483385, 641225, 897715, 1256801, 2416925, 4488575, 6284005, 31420025]

約数ペア:

[(1, 31420025), (5, 6284005), (7, 4488575), (13, 2416925), (25, 1256801), (35, 897715), (49, 641225), (65, 483385), (91, 345275), (175, 179543), (245, 128245), (325, 96677), (455, 69055), (637, 49325), (1225, 25649), (1973, 15925), (2275, 13811), (3185, 9865)]