221557436

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{51239}}^1$

素因数の和:51313

約数の個数: 24

約数和(自身を含む): 413199360

約数和(自身を除く): 191641924

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 51239, 102478, 204956, 1178497, 2356994, 2408233, 4713988, 4816466, 9632932, 55389359, 110778718, 221557436]

約数ペア:

[(1, 221557436), (2, 110778718), (4, 55389359), (23, 9632932), (46, 4816466), (47, 4713988), (92, 2408233), (94, 2356994), (188, 1178497), (1081, 204956), (2162, 102478), (4324, 51239)]