13278314

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 48

約数和(自身を含む): 24919488

約数和(自身を除く): 11641174

約数列:

[1, 2, 7, 14, 23, 43, 46, 49, 86, 98, 137, 161, 274, 301, 322, 602, 959, 989, 1127, 1918, 1978, 2107, 2254, 3151, 4214, 5891, 6302, 6713, 6923, 11782, 13426, 13846, 22057, 41237, 44114, 48461, 82474, 96922, 135493, 154399, 270986, 288659, 308798, 577318, 948451, 1896902, 6639157, 13278314]

約数ペア:

[(1, 13278314), (2, 6639157), (7, 1896902), (14, 948451), (23, 577318), (43, 308798), (46, 288659), (49, 270986), (86, 154399), (98, 135493), (137, 96922), (161, 82474), (274, 48461), (301, 44114), (322, 41237), (602, 22057), (959, 13846), (989, 13426), (1127, 11782), (1918, 6923), (1978, 6713), (2107, 6302), (2254, 5891), (3151, 4214)]