71358916

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:999

約数の個数: 24

約数和(自身を含む): 126619416

約数和(自身を除く): 55260500

約数列:

[1, 2, 4, 137, 197, 274, 394, 548, 661, 788, 1322, 2644, 26989, 53978, 90557, 107956, 130217, 181114, 260434, 362228, 520868, 17839729, 35679458, 71358916]

約数ペア:

[(1, 71358916), (2, 35679458), (4, 17839729), (137, 520868), (197, 362228), (274, 260434), (394, 181114), (548, 130217), (661, 107956), (788, 90557), (1322, 53978), (2644, 26989)]