31720990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{453157}}^1$

素因数の和:453171

約数の個数: 16

約数和(自身を含む): 65254752

約数和(自身を除く): 33533762

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 453157, 906314, 2265785, 3172099, 4531570, 6344198, 15860495, 31720990]

約数ペア:

[(1, 31720990), (2, 15860495), (5, 6344198), (7, 4531570), (10, 3172099), (14, 2265785), (35, 906314), (70, 453157)]