16856690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{433}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 32341680

約数和(自身を除く): 15484990

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 229, 433, 458, 866, 1145, 2165, 2290, 3893, 4330, 7361, 7786, 14722, 19465, 36805, 38930, 73610, 99157, 198314, 495785, 991570, 1685669, 3371338, 8428345, 16856690]

約数ペア:

[(1, 16856690), (2, 8428345), (5, 3371338), (10, 1685669), (17, 991570), (34, 495785), (85, 198314), (170, 99157), (229, 73610), (433, 38930), (458, 36805), (866, 19465), (1145, 14722), (2165, 7786), (2290, 7361), (3893, 4330)]