2899988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 6472704

約数和(自身を除く): 3572716

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 257, 364, 403, 434, 514, 806, 868, 1028, 1612, 1799, 2821, 3341, 3598, 5642, 6682, 7196, 7967, 11284, 13364, 15934, 23387, 31868, 46774, 55769, 93548, 103571, 111538, 207142, 223076, 414284, 724997, 1449994, 2899988]

約数ペア:

[(1, 2899988), (2, 1449994), (4, 724997), (7, 414284), (13, 223076), (14, 207142), (26, 111538), (28, 103571), (31, 93548), (52, 55769), (62, 46774), (91, 31868), (124, 23387), (182, 15934), (217, 13364), (257, 11284), (364, 7967), (403, 7196), (434, 6682), (514, 5642), (806, 3598), (868, 3341), (1028, 2821), (1612, 1799)]