157220407085

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{144903601}}^1$

素因数の和:144903644

約数の個数: 16

約数和(自身を含む): 222571932672

約数和(自身を除く): 65351525587

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 144903601, 724518005, 1014325207, 4492011631, 5071626035, 22460058155, 31444081417, 157220407085]

約数ペア:

[(1, 157220407085), (5, 31444081417), (7, 22460058155), (31, 5071626035), (35, 4492011631), (155, 1014325207), (217, 724518005), (1085, 144903601)]