258528065

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{739}}^1$

素因数の和:873

約数の個数: 32

約数和(自身を含む): 334740480

約数和(自身を除く): 76212415

約数列:

[1, 5, 31, 37, 61, 155, 185, 305, 739, 1147, 1891, 2257, 3695, 5735, 9455, 11285, 22909, 27343, 45079, 69967, 114545, 136715, 225395, 349835, 847633, 1397449, 1667923, 4238165, 6987245, 8339615, 51705613, 258528065]

約数ペア:

[(1, 258528065), (5, 51705613), (31, 8339615), (37, 6987245), (61, 4238165), (155, 1667923), (185, 1397449), (305, 847633), (739, 349835), (1147, 225395), (1891, 136715), (2257, 114545), (3695, 69967), (5735, 45079), (9455, 27343), (11285, 22909)]