138816488

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{423221}}^1$

素因数の和:423268

約数の個数: 16

約数和(自身を含む): 266629860

約数和(自身を除く): 127813372

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 423221, 846442, 1692884, 3385768, 17352061, 34704122, 69408244, 138816488]

約数ペア:

[(1, 138816488), (2, 69408244), (4, 34704122), (8, 17352061), (41, 3385768), (82, 1692884), (164, 846442), (328, 423221)]