66642712

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{1021}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 128772000

約数和(自身を除く): 62129288

約数列:

[1, 2, 4, 8, 41, 82, 164, 199, 328, 398, 796, 1021, 1592, 2042, 4084, 8159, 8168, 16318, 32636, 41861, 65272, 83722, 167444, 203179, 334888, 406358, 812716, 1625432, 8330339, 16660678, 33321356, 66642712]

約数ペア:

[(1, 66642712), (2, 33321356), (4, 16660678), (8, 8330339), (41, 1625432), (82, 812716), (164, 406358), (199, 334888), (328, 203179), (398, 167444), (796, 83722), (1021, 65272), (1592, 41861), (2042, 32636), (4084, 16318), (8159, 8168)]