15172556

素因数分解:

$2^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:606

約数の個数: 36

約数和(自身を含む): 31122000

約数和(自身を除く): 15949444

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 199, 389, 398, 778, 796, 1393, 1556, 2723, 2786, 5446, 5572, 9751, 10892, 19061, 19502, 38122, 39004, 76244, 77411, 154822, 309644, 541877, 1083754, 2167508, 3793139, 7586278, 15172556]

約数ペア:

[(1, 15172556), (2, 7586278), (4, 3793139), (7, 2167508), (14, 1083754), (28, 541877), (49, 309644), (98, 154822), (196, 77411), (199, 76244), (389, 39004), (398, 38122), (778, 19502), (796, 19061), (1393, 10892), (1556, 9751), (2723, 5572), (2786, 5446)]