7647978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1470

約数の個数: 32

約数和(自身を含む): 16716672

約数和(自身を除く): 9068694

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1381, 1846, 2762, 2769, 4143, 5538, 8286, 17953, 35906, 53859, 98051, 107718, 196102, 294153, 588306, 1274663, 2549326, 3823989, 7647978]

約数ペア:

[(1, 7647978), (2, 3823989), (3, 2549326), (6, 1274663), (13, 588306), (26, 294153), (39, 196102), (71, 107718), (78, 98051), (142, 53859), (213, 35906), (426, 17953), (923, 8286), (1381, 5538), (1846, 4143), (2762, 2769)]