215180551

素因数分解:

${\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{317}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 226670400

約数和(自身を除く): 11489849

約数列:

[1, 29, 89, 263, 317, 2581, 7627, 9193, 23407, 28213, 83371, 678803, 818177, 2417759, 7420019, 215180551]

約数ペア:

[(1, 215180551), (29, 7420019), (89, 2417759), (263, 818177), (317, 678803), (2581, 83371), (7627, 28213), (9193, 23407)]