209511992

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{311}}^1\times {\mathrm{787}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 398286720

約数和(自身を除く): 188774728

約数列:

[1, 2, 4, 8, 107, 214, 311, 428, 622, 787, 856, 1244, 1574, 2488, 3148, 6296, 33277, 66554, 84209, 133108, 168418, 244757, 266216, 336836, 489514, 673672, 979028, 1958056, 26188999, 52377998, 104755996, 209511992]

約数ペア:

[(1, 209511992), (2, 104755996), (4, 52377998), (8, 26188999), (107, 1958056), (214, 979028), (311, 673672), (428, 489514), (622, 336836), (787, 266216), (856, 244757), (1244, 168418), (1574, 133108), (2488, 84209), (3148, 66554), (6296, 33277)]