28370178

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 42391422

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 29, 34, 46, 51, 58, 69, 87, 102, 138, 139, 153, 174, 207, 261, 278, 306, 391, 414, 417, 493, 522, 667, 782, 834, 986, 1173, 1251, 1334, 1479, 2001, 2346, 2363, 2502, 2958, 3197, 3519, 4002, 4031, 4437, 4726, 6003, 6394, 7038, 7089, 8062, 8874, 9591, 11339, 12006, 12093, 14178, 19182, 21267, 22678, 24186, 28773, 34017, 36279, 42534, 54349, 57546, 68034, 68527, 72558, 92713, 102051, 108698, 137054, 163047, 185426, 204102, 205581, 278139, 326094, 411162, 489141, 556278, 616743, 834417, 978282, 1233486, 1576121, 1668834, 3152242, 4728363, 9456726, 14185089, 28370178]

約数ペア:

[(1, 28370178), (2, 14185089), (3, 9456726), (6, 4728363), (9, 3152242), (17, 1668834), (18, 1576121), (23, 1233486), (29, 978282), (34, 834417), (46, 616743), (51, 556278), (58, 489141), (69, 411162), (87, 326094), (102, 278139), (138, 205581), (139, 204102), (153, 185426), (174, 163047), (207, 137054), (261, 108698), (278, 102051), (306, 92713), (391, 72558), (414, 68527), (417, 68034), (493, 57546), (522, 54349), (667, 42534), (782, 36279), (834, 34017), (986, 28773), (1173, 24186), (1251, 22678), (1334, 21267), (1479, 19182), (2001, 14178), (2346, 12093), (2363, 12006), (2502, 11339), (2958, 9591), (3197, 8874), (3519, 8062), (4002, 7089), (4031, 7038), (4437, 6394), (4726, 6003)]