1861556

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 3400320

約数和(自身を除く): 1538764

約数列:

[1, 2, 4, 43, 79, 86, 137, 158, 172, 274, 316, 548, 3397, 5891, 6794, 10823, 11782, 13588, 21646, 23564, 43292, 465389, 930778, 1861556]

約数ペア:

[(1, 1861556), (2, 930778), (4, 465389), (43, 43292), (79, 23564), (86, 21646), (137, 13588), (158, 11782), (172, 10823), (274, 6794), (316, 5891), (548, 3397)]