81960666

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{647}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 168334848

約数和(自身を除く): 86374182

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 491, 647, 982, 1294, 1473, 1941, 2946, 3882, 21113, 27821, 42226, 55642, 63339, 83463, 126678, 166926, 317677, 635354, 953031, 1906062, 13660111, 27320222, 40980333, 81960666]

約数ペア:

[(1, 81960666), (2, 40980333), (3, 27320222), (6, 13660111), (43, 1906062), (86, 953031), (129, 635354), (258, 317677), (491, 166926), (647, 126678), (982, 83463), (1294, 63339), (1473, 55642), (1941, 42226), (2946, 27821), (3882, 21113)]