81974968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{539309}}^1$

素因数の和:539334

約数の個数: 16

約数和(自身を含む): 161793000

約数和(自身を除く): 79818032

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 539309, 1078618, 2157236, 4314472, 10246871, 20493742, 40987484, 81974968]

約数ペア:

[(1, 81974968), (2, 40987484), (4, 20493742), (8, 10246871), (19, 4314472), (38, 2157236), (76, 1078618), (152, 539309)]