681036770

素因数分解:

$2^1\times 5^1\times {\mathrm{4021}}^1\times {\mathrm{16937}}^1$

素因数の和:20965

約数の個数: 16

約数和(自身を含む): 1226243448

約数和(自身を除く): 545206678

約数列:

[1, 2, 5, 10, 4021, 8042, 16937, 20105, 33874, 40210, 84685, 169370, 68103677, 136207354, 340518385, 681036770]

約数ペア:

[(1, 681036770), (2, 340518385), (5, 136207354), (10, 68103677), (4021, 169370), (8042, 84685), (16937, 40210), (20105, 33874)]