1389245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:125

約数の個数: 32

約数和(自身を含む): 2056320

約数和(自身を除く): 667075

約数列:

[1, 5, 11, 13, 29, 55, 65, 67, 143, 145, 319, 335, 377, 715, 737, 871, 1595, 1885, 1943, 3685, 4147, 4355, 9581, 9715, 20735, 21373, 25259, 47905, 106865, 126295, 277849, 1389245]

約数ペア:

[(1, 1389245), (5, 277849), (11, 126295), (13, 106865), (29, 47905), (55, 25259), (65, 21373), (67, 20735), (143, 9715), (145, 9581), (319, 4355), (335, 4147), (377, 3685), (715, 1943), (737, 1885), (871, 1595)]