663896996

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{3851}}^1$

素因数の和:4040

約数の個数: 48

約数和(自身を含む): 1366751232

約数和(自身を除く): 702854236

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 131, 188, 262, 329, 524, 658, 917, 1316, 1834, 3668, 3851, 6157, 7702, 12314, 15404, 24628, 26957, 43099, 53914, 86198, 107828, 172396, 180997, 361994, 504481, 723988, 1008962, 1266979, 2017924, 2533958, 3531367, 5067916, 7062734, 14125468, 23710607, 47421214, 94842428, 165974249, 331948498, 663896996]

約数ペア:

[(1, 663896996), (2, 331948498), (4, 165974249), (7, 94842428), (14, 47421214), (28, 23710607), (47, 14125468), (94, 7062734), (131, 5067916), (188, 3531367), (262, 2533958), (329, 2017924), (524, 1266979), (658, 1008962), (917, 723988), (1316, 504481), (1834, 361994), (3668, 180997), (3851, 172396), (6157, 107828), (7702, 86198), (12314, 53914), (15404, 43099), (24628, 26957)]