28471328

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 59875200

約数和(自身を除く): 31403872

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 199, 263, 272, 398, 526, 544, 796, 1052, 1592, 2104, 3184, 3383, 4208, 4471, 6368, 6766, 8416, 8942, 13532, 17884, 27064, 35768, 52337, 54128, 71536, 104674, 108256, 143072, 209348, 418696, 837392, 889729, 1674784, 1779458, 3558916, 7117832, 14235664, 28471328]

約数ペア:

[(1, 28471328), (2, 14235664), (4, 7117832), (8, 3558916), (16, 1779458), (17, 1674784), (32, 889729), (34, 837392), (68, 418696), (136, 209348), (199, 143072), (263, 108256), (272, 104674), (398, 71536), (526, 54128), (544, 52337), (796, 35768), (1052, 27064), (1592, 17884), (2104, 13532), (3184, 8942), (3383, 8416), (4208, 6766), (4471, 6368)]