27989785

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1409}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 35024400

約数和(自身を除く): 7034615

約数列:

[1, 5, 29, 137, 145, 685, 1409, 3973, 7045, 19865, 40861, 193033, 204305, 965165, 5597957, 27989785]

約数ペア:

[(1, 27989785), (5, 5597957), (29, 965165), (137, 204305), (145, 193033), (685, 40861), (1409, 19865), (3973, 7045)]