285400856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{9907}}^1$

素因数の和:10203

約数の個数: 32

約数和(自身を含む): 578429040

約数和(自身を除く): 293028184

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 277, 554, 1108, 2216, 3601, 7202, 9907, 14404, 19814, 28808, 39628, 79256, 128791, 257582, 515164, 1030328, 2744239, 5488478, 10976956, 21953912, 35675107, 71350214, 142700428, 285400856]

約数ペア:

[(1, 285400856), (2, 142700428), (4, 71350214), (8, 35675107), (13, 21953912), (26, 10976956), (52, 5488478), (104, 2744239), (277, 1030328), (554, 515164), (1108, 257582), (2216, 128791), (3601, 79256), (7202, 39628), (9907, 28808), (14404, 19814)]