218936710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{7901}}^1$

素因数の和:8088

約数の個数: 32

約数和(自身を含む): 419880672

約数和(自身を除く): 200943962

約数列:

[1, 2, 5, 10, 17, 34, 85, 163, 170, 326, 815, 1630, 2771, 5542, 7901, 13855, 15802, 27710, 39505, 79010, 134317, 268634, 671585, 1287863, 1343170, 2575726, 6439315, 12878630, 21893671, 43787342, 109468355, 218936710]

約数ペア:

[(1, 218936710), (2, 109468355), (5, 43787342), (10, 21893671), (17, 12878630), (34, 6439315), (85, 2575726), (163, 1343170), (170, 1287863), (326, 671585), (815, 268634), (1630, 134317), (2771, 79010), (5542, 39505), (7901, 27710), (13855, 15802)]