82981408

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 167227200

約数和(自身を除く): 84245792

約数列:

[1, 2, 4, 8, 16, 32, 83, 157, 166, 199, 314, 332, 398, 628, 664, 796, 1256, 1328, 1592, 2512, 2656, 3184, 5024, 6368, 13031, 16517, 26062, 31243, 33034, 52124, 62486, 66068, 104248, 124972, 132136, 208496, 249944, 264272, 416992, 499888, 528544, 999776, 2593169, 5186338, 10372676, 20745352, 41490704, 82981408]

約数ペア:

[(1, 82981408), (2, 41490704), (4, 20745352), (8, 10372676), (16, 5186338), (32, 2593169), (83, 999776), (157, 528544), (166, 499888), (199, 416992), (314, 264272), (332, 249944), (398, 208496), (628, 132136), (664, 124972), (796, 104248), (1256, 66068), (1328, 62486), (1592, 52124), (2512, 33034), (2656, 31243), (3184, 26062), (5024, 16517), (6368, 13031)]