81786430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{17291}}^1$

素因数の和:17352

約数の個数: 32

約数和(自身を含む): 164343168

約数和(自身を除く): 82556738

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 17291, 34582, 86455, 172910, 190201, 380402, 743513, 951005, 1487026, 1902010, 3717565, 7435130, 8178643, 16357286, 40893215, 81786430]

約数ペア:

[(1, 81786430), (2, 40893215), (5, 16357286), (10, 8178643), (11, 7435130), (22, 3717565), (43, 1902010), (55, 1487026), (86, 951005), (110, 743513), (215, 380402), (430, 190201), (473, 172910), (946, 86455), (2365, 34582), (4730, 17291)]