309188568

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{990989}}^1$

素因数の和:991011

約数の個数: 32

約数和(自身を含む): 832431600

約数和(自身を除く): 523243032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 990989, 1981978, 2972967, 3963956, 5945934, 7927912, 11891868, 12882857, 23783736, 25765714, 38648571, 51531428, 77297142, 103062856, 154594284, 309188568]

約数ペア:

[(1, 309188568), (2, 154594284), (3, 103062856), (4, 77297142), (6, 51531428), (8, 38648571), (12, 25765714), (13, 23783736), (24, 12882857), (26, 11891868), (39, 7927912), (52, 5945934), (78, 3963956), (104, 2972967), (156, 1981978), (312, 990989)]