81798316

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{2447}}^1$

素因数の和:2649

約数の個数: 24

約数和(自身を含む): 146615616

約数和(自身を除く): 64817300

約数列:

[1, 2, 4, 61, 122, 137, 244, 274, 548, 2447, 4894, 8357, 9788, 16714, 33428, 149267, 298534, 335239, 597068, 670478, 1340956, 20449579, 40899158, 81798316]

約数ペア:

[(1, 81798316), (2, 40899158), (4, 20449579), (61, 1340956), (122, 670478), (137, 597068), (244, 335239), (274, 298534), (548, 149267), (2447, 33428), (4894, 16714), (8357, 9788)]