212856385

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{196181}}^1$

素因数の和:196224

約数の個数: 16

約数和(自身を含む): 301335552

約数和(自身を除く): 88479167

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 196181, 980905, 1373267, 6081611, 6866335, 30408055, 42571277, 212856385]

約数ペア:

[(1, 212856385), (5, 42571277), (7, 30408055), (31, 6866335), (35, 6081611), (155, 1373267), (217, 980905), (1085, 196181)]