209193318

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{77999}}^1$

素因数の和:78156

約数の個数: 24

約数和(自身を含む): 456300000

約数和(自身を除く): 247106682

約数列:

[1, 2, 3, 6, 9, 18, 149, 298, 447, 894, 1341, 2682, 77999, 155998, 233997, 467994, 701991, 1403982, 11621851, 23243702, 34865553, 69731106, 104596659, 209193318]

約数ペア:

[(1, 209193318), (2, 104596659), (3, 69731106), (6, 34865553), (9, 23243702), (18, 11621851), (149, 1403982), (298, 701991), (447, 467994), (894, 233997), (1341, 155998), (2682, 77999)]