217617410

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{4643}}^1$

素因数の和:4802

約数の個数: 32

約数和(自身を含む): 404585280

約数和(自身を除く): 186967870

約数列:

[1, 2, 5, 10, 43, 86, 109, 215, 218, 430, 545, 1090, 4643, 4687, 9286, 9374, 23215, 23435, 46430, 46870, 199649, 399298, 506087, 998245, 1012174, 1996490, 2530435, 5060870, 21761741, 43523482, 108808705, 217617410]

約数ペア:

[(1, 217617410), (2, 108808705), (5, 43523482), (10, 21761741), (43, 5060870), (86, 2530435), (109, 1996490), (215, 1012174), (218, 998245), (430, 506087), (545, 399298), (1090, 199649), (4643, 46870), (4687, 46430), (9286, 23435), (9374, 23215)]