399028835

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{25247}}^1$

素因数の和:25390

約数の個数: 16

約数和(自身を含む): 499910400

約数和(自身を除く): 100881565

約数列:

[1, 5, 29, 109, 145, 545, 3161, 15805, 25247, 126235, 732163, 2751923, 3660815, 13759615, 79805767, 399028835]

約数ペア:

[(1, 399028835), (5, 79805767), (29, 13759615), (109, 3660815), (145, 2751923), (545, 732163), (3161, 126235), (15805, 25247)]