28433804

素因数分解:

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

素因数の和:175

約数の個数: 72

約数和(自身を含む): 62727840

約数和(自身を除く): 34294036

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 97, 116, 133, 194, 203, 266, 361, 388, 406, 532, 551, 679, 722, 812, 1102, 1358, 1444, 1843, 2204, 2527, 2716, 2813, 3686, 3857, 5054, 5626, 7372, 7714, 10108, 10469, 11252, 12901, 15428, 19691, 20938, 25802, 35017, 39382, 41876, 51604, 53447, 70034, 73283, 78764, 106894, 140068, 146566, 213788, 245119, 293132, 374129, 490238, 748258, 980476, 1015493, 1496516, 2030986, 4061972, 7108451, 14216902, 28433804]

約数ペア:

[(1, 28433804), (2, 14216902), (4, 7108451), (7, 4061972), (14, 2030986), (19, 1496516), (28, 1015493), (29, 980476), (38, 748258), (58, 490238), (76, 374129), (97, 293132), (116, 245119), (133, 213788), (194, 146566), (203, 140068), (266, 106894), (361, 78764), (388, 73283), (406, 70034), (532, 53447), (551, 51604), (679, 41876), (722, 39382), (812, 35017), (1102, 25802), (1358, 20938), (1444, 19691), (1843, 15428), (2204, 12901), (2527, 11252), (2716, 10469), (2813, 10108), (3686, 7714), (3857, 7372), (5054, 5626)]