16628059

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 21401600

約数和(自身を除く): 4773541

約数列:

[1, 7, 19, 31, 37, 109, 133, 217, 259, 589, 703, 763, 1147, 2071, 3379, 4033, 4123, 4921, 8029, 14497, 21793, 23653, 28231, 64201, 76627, 125023, 152551, 449407, 536389, 875161, 2375437, 16628059]

約数ペア:

[(1, 16628059), (7, 2375437), (19, 875161), (31, 536389), (37, 449407), (109, 152551), (133, 125023), (217, 76627), (259, 64201), (589, 28231), (703, 23653), (763, 21793), (1147, 14497), (2071, 8029), (3379, 4921), (4033, 4123)]