12991248

素因数分解:

$2^4\times 3^2\times {\mathrm{90217}}^1$

素因数の和:90231

約数の個数: 30

約数和(自身を含む): 36357854

約数和(自身を除く): 23366606

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 90217, 180434, 270651, 360868, 541302, 721736, 811953, 1082604, 1443472, 1623906, 2165208, 3247812, 4330416, 6495624, 12991248]

約数ペア:

[(1, 12991248), (2, 6495624), (3, 4330416), (4, 3247812), (6, 2165208), (8, 1623906), (9, 1443472), (12, 1082604), (16, 811953), (18, 721736), (24, 541302), (36, 360868), (48, 270651), (72, 180434), (144, 90217)]