245564144

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:814

約数の個数: 80

約数和(自身を含む): 567392256

約数和(自身を除く): 321828112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 107, 112, 124, 214, 217, 248, 428, 434, 496, 661, 749, 856, 868, 1322, 1498, 1712, 1736, 2644, 2996, 3317, 3472, 4627, 5288, 5992, 6634, 9254, 10576, 11984, 13268, 18508, 20491, 23219, 26536, 37016, 40982, 46438, 53072, 70727, 74032, 81964, 92876, 141454, 143437, 163928, 185752, 282908, 286874, 327856, 371504, 495089, 565816, 573748, 990178, 1131632, 1147496, 1980356, 2192537, 2294992, 3960712, 4385074, 7921424, 8770148, 15347759, 17540296, 30695518, 35080592, 61391036, 122782072, 245564144]

約数ペア:

[(1, 245564144), (2, 122782072), (4, 61391036), (7, 35080592), (8, 30695518), (14, 17540296), (16, 15347759), (28, 8770148), (31, 7921424), (56, 4385074), (62, 3960712), (107, 2294992), (112, 2192537), (124, 1980356), (214, 1147496), (217, 1131632), (248, 990178), (428, 573748), (434, 565816), (496, 495089), (661, 371504), (749, 327856), (856, 286874), (868, 282908), (1322, 185752), (1498, 163928), (1712, 143437), (1736, 141454), (2644, 92876), (2996, 81964), (3317, 74032), (3472, 70727), (4627, 53072), (5288, 46438), (5992, 40982), (6634, 37016), (9254, 26536), (10576, 23219), (11984, 20491), (13268, 18508)]