13989556

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 29417472

約数和(自身を除く): 15427916

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 71, 124, 142, 217, 227, 284, 434, 454, 497, 868, 908, 994, 1589, 1988, 2201, 3178, 4402, 6356, 7037, 8804, 14074, 15407, 16117, 28148, 30814, 32234, 49259, 61628, 64468, 98518, 112819, 197036, 225638, 451276, 499627, 999254, 1998508, 3497389, 6994778, 13989556]

約数ペア:

[(1, 13989556), (2, 6994778), (4, 3497389), (7, 1998508), (14, 999254), (28, 499627), (31, 451276), (62, 225638), (71, 197036), (124, 112819), (142, 98518), (217, 64468), (227, 61628), (284, 49259), (434, 32234), (454, 30814), (497, 28148), (868, 16117), (908, 15407), (994, 14074), (1589, 8804), (1988, 7037), (2201, 6356), (3178, 4402)]