213207965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{31751}}^1$

素因数の和:31852

約数の個数: 16

約数和(自身を含む): 274337280

約数和(自身を除く): 61129315

約数列:

[1, 5, 17, 79, 85, 395, 1343, 6715, 31751, 158755, 539767, 2508329, 2698835, 12541645, 42641593, 213207965]

約数ペア:

[(1, 213207965), (5, 42641593), (17, 12541645), (79, 2698835), (85, 2508329), (395, 539767), (1343, 158755), (6715, 31751)]