28221536

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^2\times {\mathrm{349}}^1$

素因数の和:404

約数の個数: 72

約数和(自身を含む): 67208400

約数和(自身を除く): 38986864

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 349, 361, 532, 608, 698, 722, 1064, 1396, 1444, 2128, 2443, 2527, 2792, 2888, 4256, 4886, 5054, 5584, 5776, 6631, 9772, 10108, 11168, 11552, 13262, 19544, 20216, 26524, 39088, 40432, 46417, 53048, 78176, 80864, 92834, 106096, 125989, 185668, 212192, 251978, 371336, 503956, 742672, 881923, 1007912, 1485344, 1763846, 2015824, 3527692, 4031648, 7055384, 14110768, 28221536]

約数ペア:

[(1, 28221536), (2, 14110768), (4, 7055384), (7, 4031648), (8, 3527692), (14, 2015824), (16, 1763846), (19, 1485344), (28, 1007912), (32, 881923), (38, 742672), (56, 503956), (76, 371336), (112, 251978), (133, 212192), (152, 185668), (224, 125989), (266, 106096), (304, 92834), (349, 80864), (361, 78176), (532, 53048), (608, 46417), (698, 40432), (722, 39088), (1064, 26524), (1396, 20216), (1444, 19544), (2128, 13262), (2443, 11552), (2527, 11168), (2792, 10108), (2888, 9772), (4256, 6631), (4886, 5776), (5054, 5584)]