218840856

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{701413}}^1$

素因数の和:701435

約数の個数: 32

約数和(自身を含む): 589187760

約数和(自身を除く): 370346904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 701413, 1402826, 2104239, 2805652, 4208478, 5611304, 8416956, 9118369, 16833912, 18236738, 27355107, 36473476, 54710214, 72946952, 109420428, 218840856]

約数ペア:

[(1, 218840856), (2, 109420428), (3, 72946952), (4, 54710214), (6, 36473476), (8, 27355107), (12, 18236738), (13, 16833912), (24, 9118369), (26, 8416956), (39, 5611304), (52, 4208478), (78, 2805652), (104, 2104239), (156, 1402826), (312, 701413)]