81723746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{31121}}^1$

素因数の和:31237

約数の個数: 16

約数和(自身を含む): 133326648

約数和(自身を除く): 51602902

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 31121, 62242, 404573, 809146, 3143221, 6286442, 40861873, 81723746]

約数ペア:

[(1, 81723746), (2, 40861873), (13, 6286442), (26, 3143221), (101, 809146), (202, 404573), (1313, 62242), (2626, 31121)]