84042008

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{20639}}^1$

素因数の和:21154

約数の個数: 16

約数和(自身を含む): 157896000

約数和(自身を除く): 73853992

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 20639, 41278, 82556, 165112, 10505251, 21010502, 42021004, 84042008]

約数ペア:

[(1, 84042008), (2, 42021004), (4, 21010502), (8, 10505251), (509, 165112), (1018, 82556), (2036, 41278), (4072, 20639)]