1561690626

素因数分解:

$2^1\times 3^1\times {\mathrm{1181}}^1\times {\mathrm{220391}}^1$

素因数の和:221577

約数の個数: 16

約数和(自身を含む): 3126040128

約数和(自身を除く): 1564349502

約数列:

[1, 2, 3, 6, 1181, 2362, 3543, 7086, 220391, 440782, 661173, 1322346, 260281771, 520563542, 780845313, 1561690626]

約数ペア:

[(1, 1561690626), (2, 780845313), (3, 520563542), (6, 260281771), (1181, 1322346), (2362, 661173), (3543, 440782), (7086, 220391)]