490623916

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{4441}}^1$

素因数の和:4905

約数の個数: 24

約数和(自身を含む): 873119520

約数和(自身を除く): 382495604

約数列:

[1, 2, 4, 71, 142, 284, 389, 778, 1556, 4441, 8882, 17764, 27619, 55238, 110476, 315311, 630622, 1261244, 1727549, 3455098, 6910196, 122655979, 245311958, 490623916]

約数ペア:

[(1, 490623916), (2, 245311958), (4, 122655979), (71, 6910196), (142, 3455098), (284, 1727549), (389, 1261244), (778, 630622), (1556, 315311), (4441, 110476), (8882, 55238), (17764, 27619)]