81800378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{52369}}^1$

素因数の和:52453

約数の個数: 16

約数和(自身を含む): 135743040

約数和(自身を除く): 53942662

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 52369, 104738, 576059, 1152118, 3718199, 7436398, 40900189, 81800378]

約数ペア:

[(1, 81800378), (2, 40900189), (11, 7436398), (22, 3718199), (71, 1152118), (142, 576059), (781, 104738), (1562, 52369)]