2005451368

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{321799}}^1$

素因数の和:321865

約数の個数: 32

約数和(自身を含む): 4054680000

約数和(自身を除く): 2049228632

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 6232, 321799, 643598, 1287196, 2574392, 6114181, 12228362, 13193759, 24456724, 26387518, 48913448, 52775036, 105550072, 250681421, 501362842, 1002725684, 2005451368]

約数ペア:

[(1, 2005451368), (2, 1002725684), (4, 501362842), (8, 250681421), (19, 105550072), (38, 52775036), (41, 48913448), (76, 26387518), (82, 24456724), (152, 13193759), (164, 12228362), (328, 6114181), (779, 2574392), (1558, 1287196), (3116, 643598), (6232, 321799)]