25396558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{229}}^1$

素因数の和:384

約数の個数: 24

約数和(自身を含む): 42335640

約数和(自身を除く): 16939082

約数列:

[1, 2, 11, 22, 71, 142, 229, 458, 781, 1562, 2519, 5038, 5041, 10082, 16259, 32518, 55451, 110902, 178849, 357698, 1154389, 2308778, 12698279, 25396558]

約数ペア:

[(1, 25396558), (2, 12698279), (11, 2308778), (22, 1154389), (71, 357698), (142, 178849), (229, 110902), (458, 55451), (781, 32518), (1562, 16259), (2519, 10082), (5038, 5041)]