28293912

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{2503}}^1$

素因数の和:2672

約数の個数: 48

約数和(自身を含む): 77148240

約数和(自身を除く): 48854328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2503, 2826, 3768, 5006, 5652, 7509, 10012, 11304, 15018, 20024, 22527, 30036, 45054, 60072, 90108, 180216, 392971, 785942, 1178913, 1571884, 2357826, 3143768, 3536739, 4715652, 7073478, 9431304, 14146956, 28293912]

約数ペア:

[(1, 28293912), (2, 14146956), (3, 9431304), (4, 7073478), (6, 4715652), (8, 3536739), (9, 3143768), (12, 2357826), (18, 1571884), (24, 1178913), (36, 785942), (72, 392971), (157, 180216), (314, 90108), (471, 60072), (628, 45054), (942, 30036), (1256, 22527), (1413, 20024), (1884, 15018), (2503, 11304), (2826, 10012), (3768, 7509), (5006, 5652)]