7172425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{761}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 9921240

約数和(自身を除く): 2748815

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 761, 1885, 3805, 9425, 9893, 19025, 22069, 49465, 110345, 247325, 286897, 551725, 1434485, 7172425]

約数ペア:

[(1, 7172425), (5, 1434485), (13, 551725), (25, 286897), (29, 247325), (65, 110345), (145, 49465), (325, 22069), (377, 19025), (725, 9893), (761, 9425), (1885, 3805)]