678266988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{36209}}^1$

素因数の和:36446

約数の個数: 48

約数和(自身を含む): 1816872960

約数和(自身を除く): 1138605972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 223, 446, 669, 892, 1338, 1561, 2676, 3122, 4683, 6244, 9366, 18732, 36209, 72418, 108627, 144836, 217254, 253463, 434508, 506926, 760389, 1013852, 1520778, 3041556, 8074607, 16149214, 24223821, 32298428, 48447642, 56522249, 96895284, 113044498, 169566747, 226088996, 339133494, 678266988]

約数ペア:

[(1, 678266988), (2, 339133494), (3, 226088996), (4, 169566747), (6, 113044498), (7, 96895284), (12, 56522249), (14, 48447642), (21, 32298428), (28, 24223821), (42, 16149214), (84, 8074607), (223, 3041556), (446, 1520778), (669, 1013852), (892, 760389), (1338, 506926), (1561, 434508), (2676, 253463), (3122, 217254), (4683, 144836), (6244, 108627), (9366, 72418), (18732, 36209)]