81210411.000000000

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{471407}}^1$

素因数の和:471433

約数の個数: 32

約数和(自身を含む): 509120640

約数和(自身を除く): 316786584

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 471407, 942814, 1414221, 1885628, 2828442, 3771256, 5656884, 8013919, 11313768, 16027838, 24041757, 32055676, 48083514, 64111352, 96167028, 192334056]

約数ペア:

[(1, 192334056), (2, 96167028), (3, 64111352), (4, 48083514), (6, 32055676), (8, 24041757), (12, 16027838), (17, 11313768), (24, 8013919), (34, 5656884), (51, 3771256), (68, 2828442), (102, 1885628), (136, 1414221), (204, 942814), (408, 471407)]