668800587

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2719}}^1$

素因数の和:2812

約数の個数: 64

約数和(自身を含む): 1184440320

約数和(自身を除く): 515639733

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 53, 91, 119, 159, 221, 273, 357, 371, 663, 689, 901, 1113, 1547, 2067, 2703, 2719, 4641, 4823, 6307, 8157, 11713, 14469, 18921, 19033, 35139, 35347, 46223, 57099, 81991, 106041, 138669, 144107, 245973, 247429, 323561, 432321, 600899, 742287, 970683, 1008749, 1802697, 1873391, 2449819, 3026247, 4206293, 5620173, 7349457, 12618879, 13113737, 17148733, 31847647, 39341211, 51446199, 95542941, 222933529, 668800587]

約数ペア:

[(1, 668800587), (3, 222933529), (7, 95542941), (13, 51446199), (17, 39341211), (21, 31847647), (39, 17148733), (51, 13113737), (53, 12618879), (91, 7349457), (119, 5620173), (159, 4206293), (221, 3026247), (273, 2449819), (357, 1873391), (371, 1802697), (663, 1008749), (689, 970683), (901, 742287), (1113, 600899), (1547, 432321), (2067, 323561), (2703, 247429), (2719, 245973), (4641, 144107), (4823, 138669), (6307, 106041), (8157, 81991), (11713, 57099), (14469, 46223), (18921, 35347), (19033, 35139)]