7131245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 10264320

約数和(自身を除く): 3133075

約数列:

[1, 5, 11, 17, 29, 55, 85, 145, 187, 263, 319, 493, 935, 1315, 1595, 2465, 2893, 4471, 5423, 7627, 14465, 22355, 27115, 38135, 49181, 83897, 129659, 245905, 419485, 648295, 1426249, 7131245]

約数ペア:

[(1, 7131245), (5, 1426249), (11, 648295), (17, 419485), (29, 245905), (55, 129659), (85, 83897), (145, 49181), (187, 38135), (263, 27115), (319, 22355), (493, 14465), (935, 7627), (1315, 5423), (1595, 4471), (2465, 2893)]