220544272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{28657}}^1$

素因数の和:28715

約数の個数: 40

約数和(自身を含む): 472627736

約数和(自身を除く): 252083464

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 3848, 7696, 28657, 57314, 114628, 229256, 372541, 458512, 745082, 1060309, 1490164, 2120618, 2980328, 4241236, 5960656, 8482472, 13784017, 16964944, 27568034, 55136068, 110272136, 220544272]

約数ペア:

[(1, 220544272), (2, 110272136), (4, 55136068), (8, 27568034), (13, 16964944), (16, 13784017), (26, 8482472), (37, 5960656), (52, 4241236), (74, 2980328), (104, 2120618), (148, 1490164), (208, 1060309), (296, 745082), (481, 458512), (592, 372541), (962, 229256), (1924, 114628), (3848, 57314), (7696, 28657)]