12720386

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 25401600

約数和(自身を除く): 12681214

約数列:

[1, 2, 7, 14, 17, 19, 29, 34, 38, 58, 97, 119, 133, 194, 203, 238, 266, 323, 406, 493, 551, 646, 679, 986, 1102, 1358, 1649, 1843, 2261, 2813, 3298, 3451, 3686, 3857, 4522, 5626, 6902, 7714, 9367, 11543, 12901, 18734, 19691, 23086, 25802, 31331, 39382, 47821, 53447, 62662, 65569, 95642, 106894, 131138, 219317, 334747, 374129, 438634, 669494, 748258, 908599, 1817198, 6360193, 12720386]

約数ペア:

[(1, 12720386), (2, 6360193), (7, 1817198), (14, 908599), (17, 748258), (19, 669494), (29, 438634), (34, 374129), (38, 334747), (58, 219317), (97, 131138), (119, 106894), (133, 95642), (194, 65569), (203, 62662), (238, 53447), (266, 47821), (323, 39382), (406, 31331), (493, 25802), (551, 23086), (646, 19691), (679, 18734), (986, 12901), (1102, 11543), (1358, 9367), (1649, 7714), (1843, 6902), (2261, 5626), (2813, 4522), (3298, 3857), (3451, 3686)]