123442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:225

約数の個数: 16

約数和(自身を含む): 209664

約数和(自身を除く): 86222

約数列:

[1, 2, 11, 22, 31, 62, 181, 341, 362, 682, 1991, 3982, 5611, 11222, 61721, 123442]

約数ペア:

[(1, 123442), (2, 61721), (11, 11222), (22, 5611), (31, 3982), (62, 1991), (181, 682), (341, 362)]