217267775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{4783}}^1$

素因数の和:4895

約数の個数: 24

約数和(自身を含む): 284743680

約数和(自身を除く): 67475905

約数列:

[1, 5, 23, 25, 79, 115, 395, 575, 1817, 1975, 4783, 9085, 23915, 45425, 110009, 119575, 377857, 550045, 1889285, 2750225, 8690711, 9446425, 43453555, 217267775]

約数ペア:

[(1, 217267775), (5, 43453555), (23, 9446425), (25, 8690711), (79, 2750225), (115, 1889285), (395, 550045), (575, 377857), (1817, 119575), (1975, 110009), (4783, 45425), (9085, 23915)]