212820965

素因数分解:

$5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{14723}}^1$

素因数の和:14801

約数の個数: 24

約数和(自身を含む): 302136480

約数和(自身を除く): 89315515

約数列:

[1, 5, 7, 35, 49, 59, 245, 295, 413, 2065, 2891, 14455, 14723, 73615, 103061, 515305, 721427, 868657, 3607135, 4343285, 6080599, 30402995, 42564193, 212820965]

約数ペア:

[(1, 212820965), (5, 42564193), (7, 30402995), (35, 6080599), (49, 4343285), (59, 3607135), (245, 868657), (295, 721427), (413, 515305), (2065, 103061), (2891, 73615), (14455, 14723)]