217695352

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{773}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 481489920

約数和(自身を除く): 263794568

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 107, 188, 214, 329, 376, 428, 658, 749, 773, 856, 1316, 1498, 1546, 2632, 2996, 3092, 5029, 5411, 5992, 6184, 10058, 10822, 20116, 21644, 35203, 36331, 40232, 43288, 70406, 72662, 82711, 140812, 145324, 165422, 254317, 281624, 290648, 330844, 508634, 578977, 661688, 1017268, 1157954, 2034536, 2315908, 3887417, 4631816, 7774834, 15549668, 27211919, 31099336, 54423838, 108847676, 217695352]

約数ペア:

[(1, 217695352), (2, 108847676), (4, 54423838), (7, 31099336), (8, 27211919), (14, 15549668), (28, 7774834), (47, 4631816), (56, 3887417), (94, 2315908), (107, 2034536), (188, 1157954), (214, 1017268), (329, 661688), (376, 578977), (428, 508634), (658, 330844), (749, 290648), (773, 281624), (856, 254317), (1316, 165422), (1498, 145324), (1546, 140812), (2632, 82711), (2996, 72662), (3092, 70406), (5029, 43288), (5411, 40232), (5992, 36331), (6184, 35203), (10058, 21644), (10822, 20116)]