81381608

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{132113}}^1$

素因数の和:132137

約数の個数: 32

約数和(自身を含む): 190244160

約数和(自身を除く): 108862552

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 132113, 264226, 528452, 924791, 1056904, 1453243, 1849582, 2906486, 3699164, 5812972, 7398328, 10172701, 11625944, 20345402, 40690804, 81381608]

約数ペア:

[(1, 81381608), (2, 40690804), (4, 20345402), (7, 11625944), (8, 10172701), (11, 7398328), (14, 5812972), (22, 3699164), (28, 2906486), (44, 1849582), (56, 1453243), (77, 1056904), (88, 924791), (154, 528452), (308, 264226), (616, 132113)]