81819028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{1203221}}^1$

素因数の和:1203242

約数の個数: 12

約数和(自身を含む): 151605972

約数和(自身を除く): 69786944

約数列:

[1, 2, 4, 17, 34, 68, 1203221, 2406442, 4812884, 20454757, 40909514, 81819028]

約数ペア:

[(1, 81819028), (2, 40909514), (4, 20454757), (17, 4812884), (34, 2406442), (68, 1203221)]