215540204

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{223}}^1\times {\mathrm{1997}}^1$

素因数の和:2246

約数の個数: 36

約数和(自身を含む): 416670912

約数和(自身を除く): 201130708

約数列:

[1, 2, 4, 11, 22, 44, 121, 223, 242, 446, 484, 892, 1997, 2453, 3994, 4906, 7988, 9812, 21967, 26983, 43934, 53966, 87868, 107932, 241637, 445331, 483274, 890662, 966548, 1781324, 4898641, 9797282, 19594564, 53885051, 107770102, 215540204]

約数ペア:

[(1, 215540204), (2, 107770102), (4, 53885051), (11, 19594564), (22, 9797282), (44, 4898641), (121, 1781324), (223, 966548), (242, 890662), (446, 483274), (484, 445331), (892, 241637), (1997, 107932), (2453, 87868), (3994, 53966), (4906, 43934), (7988, 26983), (9812, 21967)]