1225498778

素因数分解:

$2^1\times 7^1\times {\mathrm{2161}}^1\times {\mathrm{40507}}^1$

素因数の和:42677

約数の個数: 16

約数和(自身を含む): 2101879104

約数和(自身を除く): 876380326

約数列:

[1, 2, 7, 14, 2161, 4322, 15127, 30254, 40507, 81014, 283549, 567098, 87535627, 175071254, 612749389, 1225498778]

約数ペア:

[(1, 1225498778), (2, 612749389), (7, 175071254), (14, 87535627), (2161, 567098), (4322, 283549), (15127, 81014), (30254, 40507)]