2178032

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:896

約数の個数: 20

約数和(自身を含む): 4247496

約数和(自身を除く): 2069464

約数列:

[1, 2, 4, 8, 16, 197, 394, 691, 788, 1382, 1576, 2764, 3152, 5528, 11056, 136127, 272254, 544508, 1089016, 2178032]

約数ペア:

[(1, 2178032), (2, 1089016), (4, 544508), (8, 272254), (16, 136127), (197, 11056), (394, 5528), (691, 3152), (788, 2764), (1382, 1576)]