81994286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{70321}}^1$

素因数の和:70387

約数の個数: 16

約数和(自身を含む): 136705968

約数和(自身を除く): 54711682

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 70321, 140642, 773531, 1547062, 3727013, 7454026, 40997143, 81994286]

約数ペア:

[(1, 81994286), (2, 40997143), (11, 7454026), (22, 3727013), (53, 1547062), (106, 773531), (583, 140642), (1166, 70321)]