72697885

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 95130720

約数和(自身を除く): 22432835

約数列:

[1, 5, 13, 65, 169, 227, 379, 845, 1135, 1895, 2951, 4927, 14755, 24635, 38363, 64051, 86033, 191815, 320255, 430165, 1118429, 5592145, 14539577, 72697885]

約数ペア:

[(1, 72697885), (5, 14539577), (13, 5592145), (65, 1118429), (169, 430165), (227, 320255), (379, 191815), (845, 86033), (1135, 64051), (1895, 38363), (2951, 24635), (4927, 14755)]