208759925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{10399}}^1$

素因数の和:10493

約数の個数: 24

約数和(自身を含む): 286291200

約数和(自身を除く): 77531275

約数列:

[1, 5, 11, 25, 55, 73, 275, 365, 803, 1825, 4015, 10399, 20075, 51995, 114389, 259975, 571945, 759127, 2859725, 3795635, 8350397, 18978175, 41751985, 208759925]

約数ペア:

[(1, 208759925), (5, 41751985), (11, 18978175), (25, 8350397), (55, 3795635), (73, 2859725), (275, 759127), (365, 571945), (803, 259975), (1825, 114389), (4015, 51995), (10399, 20075)]