81886544

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{37357}}^1$

素因数の和:37502

約数の個数: 20

約数和(自身を含む): 159817524

約数和(自身を除く): 77930980

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 37357, 74714, 149428, 298856, 597712, 5117909, 10235818, 20471636, 40943272, 81886544]

約数ペア:

[(1, 81886544), (2, 40943272), (4, 20471636), (8, 10235818), (16, 5117909), (137, 597712), (274, 298856), (548, 149428), (1096, 74714), (2192, 37357)]