257509585

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{15161}}^1$

素因数の和:15288

約数の個数: 16

約数和(自身を含む): 320221440

約数和(自身を除く): 62711855

約数列:

[1, 5, 43, 79, 215, 395, 3397, 15161, 16985, 75805, 651923, 1197719, 3259615, 5988595, 51501917, 257509585]

約数ペア:

[(1, 257509585), (5, 51501917), (43, 5988595), (79, 3259615), (215, 1197719), (395, 651923), (3397, 75805), (15161, 16985)]