209727215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{7883}}^1$

素因数の和:8218

約数の個数: 16

約数和(自身を含む): 267362208

約数和(自身を除く): 57634993

約数列:

[1, 5, 17, 85, 313, 1565, 5321, 7883, 26605, 39415, 134011, 670055, 2467379, 12336895, 41945443, 209727215]

約数ペア:

[(1, 209727215), (5, 41945443), (17, 12336895), (85, 2467379), (313, 670055), (1565, 134011), (5321, 39415), (7883, 26605)]