258007687

素因数分解:

$7^3\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 311168000

約数和(自身を除く): 53160313

約数列:

[1, 7, 49, 67, 103, 109, 343, 469, 721, 763, 3283, 5047, 5341, 6901, 7303, 11227, 22981, 35329, 37387, 48307, 51121, 78589, 338149, 357847, 550123, 752209, 2367043, 2504929, 3850861, 5265463, 36858241, 258007687]

約数ペア:

[(1, 258007687), (7, 36858241), (49, 5265463), (67, 3850861), (103, 2504929), (109, 2367043), (343, 752209), (469, 550123), (721, 357847), (763, 338149), (3283, 78589), (5047, 51121), (5341, 48307), (6901, 37387), (7303, 35329), (11227, 22981)]