221708912

素因数分解:

$2^4\times {\mathrm{2543}}^1\times {\mathrm{5449}}^1$

素因数の和:8000

約数の個数: 20

約数和(自身を含む): 429808800

約数和(自身を除く): 208099888

約数列:

[1, 2, 4, 8, 16, 2543, 5086, 5449, 10172, 10898, 20344, 21796, 40688, 43592, 87184, 13856807, 27713614, 55427228, 110854456, 221708912]

約数ペア:

[(1, 221708912), (2, 110854456), (4, 55427228), (8, 27713614), (16, 13856807), (2543, 87184), (5086, 43592), (5449, 40688), (10172, 21796), (10898, 20344)]