12778288

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:565

約数の個数: 40

約数和(自身を含む): 26516160

約数和(自身を除く): 13737872

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 109, 136, 218, 272, 431, 436, 862, 872, 1724, 1744, 1853, 3448, 3706, 6896, 7327, 7412, 14654, 14824, 29308, 29648, 46979, 58616, 93958, 117232, 187916, 375832, 751664, 798643, 1597286, 3194572, 6389144, 12778288]

約数ペア:

[(1, 12778288), (2, 6389144), (4, 3194572), (8, 1597286), (16, 798643), (17, 751664), (34, 375832), (68, 187916), (109, 117232), (136, 93958), (218, 58616), (272, 46979), (431, 29648), (436, 29308), (862, 14824), (872, 14654), (1724, 7412), (1744, 7327), (1853, 6896), (3448, 3706)]