66555.00000000

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 65793728

約数和(自身を除く): 43202684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 571, 628, 942, 1099, 1142, 1413, 1713, 1884, 2198, 2284, 2826, 3297, 3426, 3997, 4396, 5139, 5652, 6594, 6852, 7994, 9891, 10278, 11991, 13188, 15988, 19782, 20556, 23982, 35973, 39564, 47964, 71946, 89647, 143892, 179294, 268941, 358588, 537882, 627529, 806823, 1075764, 1255058, 1613646, 1882587, 2510116, 3227292, 3765174, 5647761, 7530348, 11295522, 22591044]

約数ペア:

[(1, 22591044), (2, 11295522), (3, 7530348), (4, 5647761), (6, 3765174), (7, 3227292), (9, 2510116), (12, 1882587), (14, 1613646), (18, 1255058), (21, 1075764), (28, 806823), (36, 627529), (42, 537882), (63, 358588), (84, 268941), (126, 179294), (157, 143892), (252, 89647), (314, 71946), (471, 47964), (571, 39564), (628, 35973), (942, 23982), (1099, 20556), (1142, 19782), (1413, 15988), (1713, 13188), (1884, 11991), (2198, 10278), (2284, 9891), (2826, 7994), (3297, 6852), (3426, 6594), (3997, 5652), (4396, 5139)]