219924004

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{643}}^1\times {\mathrm{2311}}^1$

素因数の和:2995

約数の個数: 24

約数和(自身を含む): 396054848

約数和(自身を除く): 176130844

約数列:

[1, 2, 4, 37, 74, 148, 643, 1286, 2311, 2572, 4622, 9244, 23791, 47582, 85507, 95164, 171014, 342028, 1485973, 2971946, 5943892, 54981001, 109962002, 219924004]

約数ペア:

[(1, 219924004), (2, 109962002), (4, 54981001), (37, 5943892), (74, 2971946), (148, 1485973), (643, 342028), (1286, 171014), (2311, 95164), (2572, 85507), (4622, 47582), (9244, 23791)]