81457606

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{1087}}^1$

素因数の和:1599

約数の個数: 16

約数和(自身を含む): 123966720

約数和(自身を除く): 42509114

約数列:

[1, 2, 89, 178, 421, 842, 1087, 2174, 37469, 74938, 96743, 193486, 457627, 915254, 40728803, 81457606]

約数ペア:

[(1, 81457606), (2, 40728803), (89, 915254), (178, 457627), (421, 193486), (842, 96743), (1087, 74938), (2174, 37469)]