12561978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^5\times {\mathrm{13}}^1$

素因数の和:73

約数の個数: 48

約数和(自身を含む): 29762208

約数和(自身を除く): 17200230

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 242, 286, 363, 429, 726, 858, 1331, 1573, 2662, 3146, 3993, 4719, 7986, 9438, 14641, 17303, 29282, 34606, 43923, 51909, 87846, 103818, 161051, 190333, 322102, 380666, 483153, 570999, 966306, 1141998, 2093663, 4187326, 6280989, 12561978]

約数ペア:

[(1, 12561978), (2, 6280989), (3, 4187326), (6, 2093663), (11, 1141998), (13, 966306), (22, 570999), (26, 483153), (33, 380666), (39, 322102), (66, 190333), (78, 161051), (121, 103818), (143, 87846), (242, 51909), (286, 43923), (363, 34606), (429, 29282), (726, 17303), (858, 14641), (1331, 9438), (1573, 7986), (2662, 4719), (3146, 3993)]