89705404

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{1721}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 159980688

約数和(自身を除く): 70275284

約数列:

[1, 2, 4, 83, 157, 166, 314, 332, 628, 1721, 3442, 6884, 13031, 26062, 52124, 142843, 270197, 285686, 540394, 571372, 1080788, 22426351, 44852702, 89705404]

約数ペア:

[(1, 89705404), (2, 44852702), (4, 22426351), (83, 1080788), (157, 571372), (166, 540394), (314, 285686), (332, 270197), (628, 142843), (1721, 52124), (3442, 26062), (6884, 13031)]