81115838

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{607}}^1\times {\mathrm{613}}^1$

素因数の和:1331

約数の個数: 16

約数和(自身を含む): 123192960

約数和(自身を除く): 42077122

約数列:

[1, 2, 109, 218, 607, 613, 1214, 1226, 66163, 66817, 132326, 133634, 372091, 744182, 40557919, 81115838]

約数ペア:

[(1, 81115838), (2, 40557919), (109, 744182), (218, 372091), (607, 133634), (613, 132326), (1214, 66817), (1226, 66163)]