2128889776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{10235047}}^1$

素因数の和:10235068

約数の個数: 20

約数和(自身を含む): 4442010832

約数和(自身を除く): 2313121056

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 10235047, 20470094, 40940188, 81880376, 133055611, 163760752, 266111222, 532222444, 1064444888, 2128889776]

約数ペア:

[(1, 2128889776), (2, 1064444888), (4, 532222444), (8, 266111222), (13, 163760752), (16, 133055611), (26, 81880376), (52, 40940188), (104, 20470094), (208, 10235047)]