31211206

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{27917}}^1$

素因数の和:27975

約数の個数: 16

約数和(自身を含む): 51592464

約数和(自身を除く): 20381258

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 27917, 55834, 362921, 725842, 1200431, 2400862, 15605603, 31211206]

約数ペア:

[(1, 31211206), (2, 15605603), (13, 2400862), (26, 1200431), (43, 725842), (86, 362921), (559, 55834), (1118, 27917)]