81961724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1103}}^1\times {\mathrm{1429}}^1$

素因数の和:2549

約数の個数: 24

約数和(自身を含む): 154714560

約数和(自身を除く): 72752836

約数列:

[1, 2, 4, 13, 26, 52, 1103, 1429, 2206, 2858, 4412, 5716, 14339, 18577, 28678, 37154, 57356, 74308, 1576187, 3152374, 6304748, 20490431, 40980862, 81961724]

約数ペア:

[(1, 81961724), (2, 40980862), (4, 20490431), (13, 6304748), (26, 3152374), (52, 1576187), (1103, 74308), (1429, 57356), (2206, 37154), (2858, 28678), (4412, 18577), (5716, 14339)]