318886668

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{1087}}^1$

素因数の和:1407

約数の個数: 72

約数和(自身を含む): 837607680

約数和(自身を除く): 518721012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 281, 348, 522, 562, 843, 1044, 1087, 1124, 1686, 2174, 2529, 3261, 3372, 4348, 5058, 6522, 8149, 9783, 10116, 13044, 16298, 19566, 24447, 31523, 32596, 39132, 48894, 63046, 73341, 94569, 97788, 126092, 146682, 189138, 283707, 293364, 305447, 378276, 567414, 610894, 916341, 1134828, 1221788, 1832682, 2749023, 3665364, 5498046, 8857963, 10996092, 17715926, 26573889, 35431852, 53147778, 79721667, 106295556, 159443334, 318886668]

約数ペア:

[(1, 318886668), (2, 159443334), (3, 106295556), (4, 79721667), (6, 53147778), (9, 35431852), (12, 26573889), (18, 17715926), (29, 10996092), (36, 8857963), (58, 5498046), (87, 3665364), (116, 2749023), (174, 1832682), (261, 1221788), (281, 1134828), (348, 916341), (522, 610894), (562, 567414), (843, 378276), (1044, 305447), (1087, 293364), (1124, 283707), (1686, 189138), (2174, 146682), (2529, 126092), (3261, 97788), (3372, 94569), (4348, 73341), (5058, 63046), (6522, 48894), (8149, 39132), (9783, 32596), (10116, 31523), (13044, 24447), (16298, 19566)]