279646724

素因数分解:

$2^2\times 7^2\times {\mathrm{421}}^1\times {\mathrm{3389}}^1$

素因数の和:3828

約数の個数: 36

約数和(自身を含む): 570801420

約数和(自身を除く): 291154696

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 421, 842, 1684, 2947, 3389, 5894, 6778, 11788, 13556, 20629, 23723, 41258, 47446, 82516, 94892, 166061, 332122, 664244, 1426769, 2853538, 5707076, 9987383, 19974766, 39949532, 69911681, 139823362, 279646724]

約数ペア:

[(1, 279646724), (2, 139823362), (4, 69911681), (7, 39949532), (14, 19974766), (28, 9987383), (49, 5707076), (98, 2853538), (196, 1426769), (421, 664244), (842, 332122), (1684, 166061), (2947, 94892), (3389, 82516), (5894, 47446), (6778, 41258), (11788, 23723), (13556, 20629)]