161189204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 317520000

約数和(自身を除く): 156330796

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 199, 398, 449, 451, 796, 898, 902, 1796, 1804, 2189, 4378, 4939, 8159, 8756, 9878, 16318, 18409, 19756, 32636, 36818, 73636, 89351, 89749, 178702, 179498, 202499, 357404, 358996, 404998, 809996, 982861, 1965722, 3663391, 3931444, 7326782, 14653564, 40297301, 80594602, 161189204]

約数ペア:

[(1, 161189204), (2, 80594602), (4, 40297301), (11, 14653564), (22, 7326782), (41, 3931444), (44, 3663391), (82, 1965722), (164, 982861), (199, 809996), (398, 404998), (449, 358996), (451, 357404), (796, 202499), (898, 179498), (902, 178702), (1796, 89749), (1804, 89351), (2189, 73636), (4378, 36818), (4939, 32636), (8159, 19756), (8756, 18409), (9878, 16318)]