12747575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 17022720

約数和(自身を除く): 4275145

約数列:

[1, 5, 19, 25, 47, 95, 235, 475, 571, 893, 1175, 2855, 4465, 10849, 14275, 22325, 26837, 54245, 134185, 271225, 509903, 670925, 2549515, 12747575]

約数ペア:

[(1, 12747575), (5, 2549515), (19, 670925), (25, 509903), (47, 271225), (95, 134185), (235, 54245), (475, 26837), (571, 22325), (893, 14275), (1175, 10849), (2855, 4465)]