71661388

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{49627}}^1$

素因数の和:49669

約数の個数: 18

約数和(自身を含む): 132357876

約数和(自身を除く): 60696488

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 49627, 99254, 198508, 942913, 1885826, 3771652, 17915347, 35830694, 71661388]

約数ペア:

[(1, 71661388), (2, 35830694), (4, 17915347), (19, 3771652), (38, 1885826), (76, 942913), (361, 198508), (722, 99254), (1444, 49627)]