1289035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 1762560

約数和(自身を除く): 473525

約数列:

[1, 5, 11, 23, 55, 115, 253, 1019, 1265, 5095, 11209, 23437, 56045, 117185, 257807, 1289035]

約数ペア:

[(1, 1289035), (5, 257807), (11, 117185), (23, 56045), (55, 23437), (115, 11209), (253, 5095), (1019, 1265)]