166991994

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{1103}}^1$

素因数の和:1771

約数の個数: 48

約数和(自身を含む): 390604032

約数和(自身を除く): 223612038

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 647, 1103, 1294, 1941, 2206, 3309, 3882, 5823, 6618, 8411, 9927, 11646, 14339, 16822, 19854, 25233, 28678, 43017, 50466, 75699, 86034, 129051, 151398, 258102, 713641, 1427282, 2140923, 4281846, 6422769, 9277333, 12845538, 18554666, 27831999, 55663998, 83495997, 166991994]

約数ペア:

[(1, 166991994), (2, 83495997), (3, 55663998), (6, 27831999), (9, 18554666), (13, 12845538), (18, 9277333), (26, 6422769), (39, 4281846), (78, 2140923), (117, 1427282), (234, 713641), (647, 258102), (1103, 151398), (1294, 129051), (1941, 86034), (2206, 75699), (3309, 50466), (3882, 43017), (5823, 28678), (6618, 25233), (8411, 19854), (9927, 16822), (11646, 14339)]