84890617

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 104867840

約数和(自身を除く): 19977223

約数列:

[1, 7, 31, 37, 97, 109, 217, 259, 679, 763, 1147, 3007, 3379, 3589, 4033, 8029, 10573, 21049, 23653, 25123, 28231, 74011, 111259, 125023, 327763, 391201, 778813, 875161, 2294341, 2738407, 12127231, 84890617]

約数ペア:

[(1, 84890617), (7, 12127231), (31, 2738407), (37, 2294341), (97, 875161), (109, 778813), (217, 391201), (259, 327763), (679, 125023), (763, 111259), (1147, 74011), (3007, 28231), (3379, 25123), (3589, 23653), (4033, 21049), (8029, 10573)]