209215108

素因数分解:

$2^2\times {\mathrm{283}}^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 369131840

約数和(自身を除く): 159916732

約数列:

[1, 2, 4, 283, 421, 439, 566, 842, 878, 1132, 1684, 1756, 119143, 124237, 184819, 238286, 248474, 369638, 476572, 496948, 739276, 52303777, 104607554, 209215108]

約数ペア:

[(1, 209215108), (2, 104607554), (4, 52303777), (283, 739276), (421, 496948), (439, 476572), (566, 369638), (842, 248474), (878, 238286), (1132, 184819), (1684, 124237), (1756, 119143)]