81841138

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{3371}}^1$

素因数の和:3633

約数の個数: 16

約数和(自身を含む): 125438400

約数和(自身を除く): 43597262

約数列:

[1, 2, 61, 122, 199, 398, 3371, 6742, 12139, 24278, 205631, 411262, 670829, 1341658, 40920569, 81841138]

約数ペア:

[(1, 81841138), (2, 40920569), (61, 1341658), (122, 670829), (199, 411262), (398, 205631), (3371, 24278), (6742, 12139)]