217250690

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{210923}}^1$

素因数の和:211033

約数の個数: 16

約数和(自身を含む): 394849728

約数和(自身を除く): 177599038

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 210923, 421846, 1054615, 2109230, 21725069, 43450138, 108625345, 217250690]

約数ペア:

[(1, 217250690), (2, 108625345), (5, 43450138), (10, 21725069), (103, 2109230), (206, 1054615), (515, 421846), (1030, 210923)]