81394786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 137491200

約数和(自身を除く): 56096414

約数列:

[1, 2, 11, 22, 43, 86, 139, 278, 473, 619, 946, 1238, 1529, 3058, 5977, 6809, 11954, 13618, 26617, 53234, 65747, 86041, 131494, 172082, 292787, 585574, 946451, 1892902, 3699763, 7399526, 40697393, 81394786]

約数ペア:

[(1, 81394786), (2, 40697393), (11, 7399526), (22, 3699763), (43, 1892902), (86, 946451), (139, 585574), (278, 292787), (473, 172082), (619, 131494), (946, 86041), (1238, 65747), (1529, 53234), (3058, 26617), (5977, 13618), (6809, 11954)]