1291237255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1429}}^1\times {\mathrm{2347}}^1$

素因数の和:3799

約数の個数: 32

約数和(自身を含む): 1934000640

約数和(自身を除く): 642763385

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 1429, 2347, 7145, 10003, 11735, 15719, 16429, 25817, 50015, 78595, 82145, 110033, 129085, 180719, 550165, 903595, 3353863, 16769315, 23477041, 36892493, 117385205, 184462465, 258247451, 1291237255]

約数ペア:

[(1, 1291237255), (5, 258247451), (7, 184462465), (11, 117385205), (35, 36892493), (55, 23477041), (77, 16769315), (385, 3353863), (1429, 903595), (2347, 550165), (7145, 180719), (10003, 129085), (11735, 110033), (15719, 82145), (16429, 78595), (25817, 50015)]