211245377

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{13711}}^1$

素因数の和:13820

約数の個数: 16

約数和(自身を含む): 252739584

約数和(自身を除く): 41494207

約数列:

[1, 7, 31, 71, 217, 497, 2201, 13711, 15407, 95977, 425041, 973481, 2975287, 6814367, 30177911, 211245377]

約数ペア:

[(1, 211245377), (7, 30177911), (31, 6814367), (71, 2975287), (217, 973481), (497, 425041), (2201, 95977), (13711, 15407)]