257110805

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{719}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 374492160

約数和(自身を除く): 117381355

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 601, 719, 3005, 3595, 4207, 5033, 10217, 12223, 21035, 25165, 51085, 61115, 71519, 85561, 357595, 427805, 432119, 2160595, 3024833, 7346023, 15124165, 36730115, 51422161, 257110805]

約数ペア:

[(1, 257110805), (5, 51422161), (7, 36730115), (17, 15124165), (35, 7346023), (85, 3024833), (119, 2160595), (595, 432119), (601, 427805), (719, 357595), (3005, 85561), (3595, 71519), (4207, 61115), (5033, 51085), (10217, 25165), (12223, 21035)]