251977328

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{613}}^1\times {\mathrm{1117}}^1$

素因数の和:1761

約数の個数: 40

約数和(自身を含む): 510720288

約数和(自身を除く): 258742960

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 613, 1117, 1226, 2234, 2452, 4468, 4904, 8936, 9808, 14099, 17872, 25691, 28198, 51382, 56396, 102764, 112792, 205528, 225584, 411056, 684721, 1369442, 2738884, 5477768, 10955536, 15748583, 31497166, 62994332, 125988664, 251977328]

約数ペア:

[(1, 251977328), (2, 125988664), (4, 62994332), (8, 31497166), (16, 15748583), (23, 10955536), (46, 5477768), (92, 2738884), (184, 1369442), (368, 684721), (613, 411056), (1117, 225584), (1226, 205528), (2234, 112792), (2452, 102764), (4468, 56396), (4904, 51382), (8936, 28198), (9808, 25691), (14099, 17872)]