9981566

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 17909760

約数和(自身を除く): 7928194

約数列:

[1, 2, 7, 14, 31, 62, 109, 211, 217, 218, 422, 434, 763, 1477, 1526, 2954, 3379, 6541, 6758, 13082, 22999, 23653, 45787, 45998, 47306, 91574, 160993, 321986, 712969, 1425938, 4990783, 9981566]

約数ペア:

[(1, 9981566), (2, 4990783), (7, 1425938), (14, 712969), (31, 321986), (62, 160993), (109, 91574), (211, 47306), (217, 45998), (218, 45787), (422, 23653), (434, 22999), (763, 13082), (1477, 6758), (1526, 6541), (2954, 3379)]