81819892

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1259}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 179504640

約数和(自身を除く): 97684748

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 211, 308, 422, 844, 1259, 1477, 2321, 2518, 2954, 4642, 5036, 5908, 8813, 9284, 13849, 16247, 17626, 27698, 32494, 35252, 55396, 64988, 96943, 193886, 265649, 387772, 531298, 1062596, 1859543, 2922139, 3719086, 5844278, 7438172, 11688556, 20454973, 40909946, 81819892]

約数ペア:

[(1, 81819892), (2, 40909946), (4, 20454973), (7, 11688556), (11, 7438172), (14, 5844278), (22, 3719086), (28, 2922139), (44, 1859543), (77, 1062596), (154, 531298), (211, 387772), (308, 265649), (422, 193886), (844, 96943), (1259, 64988), (1477, 55396), (2321, 35252), (2518, 32494), (2954, 27698), (4642, 17626), (5036, 16247), (5908, 13849), (8813, 9284)]