81906218

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{4099}}^1$

素因数の和:4301

約数の個数: 16

約数和(自身を含む): 125361600

約数和(自身を除く): 43455382

約数列:

[1, 2, 97, 103, 194, 206, 4099, 8198, 9991, 19982, 397603, 422197, 795206, 844394, 40953109, 81906218]

約数ペア:

[(1, 81906218), (2, 40953109), (97, 844394), (103, 795206), (194, 422197), (206, 397603), (4099, 19982), (8198, 9991)]