28267736

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 66977280

約数和(自身を除く): 38709544

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 56, 68, 92, 119, 136, 161, 184, 238, 322, 391, 476, 644, 782, 952, 1288, 1291, 1564, 2582, 2737, 3128, 5164, 5474, 9037, 10328, 10948, 18074, 21896, 21947, 29693, 36148, 43894, 59386, 72296, 87788, 118772, 153629, 175576, 207851, 237544, 307258, 415702, 504781, 614516, 831404, 1009562, 1229032, 1662808, 2019124, 3533467, 4038248, 7066934, 14133868, 28267736]

約数ペア:

[(1, 28267736), (2, 14133868), (4, 7066934), (7, 4038248), (8, 3533467), (14, 2019124), (17, 1662808), (23, 1229032), (28, 1009562), (34, 831404), (46, 614516), (56, 504781), (68, 415702), (92, 307258), (119, 237544), (136, 207851), (161, 175576), (184, 153629), (238, 118772), (322, 87788), (391, 72296), (476, 59386), (644, 43894), (782, 36148), (952, 29693), (1288, 21947), (1291, 21896), (1564, 18074), (2582, 10948), (2737, 10328), (3128, 9037), (5164, 5474)]