31721390

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{4799}}^1$

素因数の和:5467

約数の個数: 16

約数和(自身を含む): 57196800

約数和(自身を除く): 25475410

約数列:

[1, 2, 5, 10, 661, 1322, 3305, 4799, 6610, 9598, 23995, 47990, 3172139, 6344278, 15860695, 31721390]

約数ペア:

[(1, 31721390), (2, 15860695), (5, 6344278), (10, 3172139), (661, 47990), (1322, 23995), (3305, 9598), (4799, 6610)]