174999916

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20903}}^1$

素因数の和:20950

約数の個数: 48

約数和(自身を含む): 393329664

約数和(自身を除く): 218329748

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 4186, 8372, 20903, 41806, 83612, 146321, 271739, 292642, 480769, 543478, 585284, 961538, 1086956, 1902173, 1923076, 3365383, 3804346, 6249997, 6730766, 7608692, 12499994, 13461532, 24999988, 43749979, 87499958, 174999916]

約数ペア:

[(1, 174999916), (2, 87499958), (4, 43749979), (7, 24999988), (13, 13461532), (14, 12499994), (23, 7608692), (26, 6730766), (28, 6249997), (46, 3804346), (52, 3365383), (91, 1923076), (92, 1902173), (161, 1086956), (182, 961538), (299, 585284), (322, 543478), (364, 480769), (598, 292642), (644, 271739), (1196, 146321), (2093, 83612), (4186, 41806), (8372, 20903)]