7242872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9949}}^1$

素因数の和:9975

約数の個数: 32

約数和(自身を含む): 16716000

約数和(自身を除く): 9473128

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 9949, 19898, 39796, 69643, 79592, 129337, 139286, 258674, 278572, 517348, 557144, 905359, 1034696, 1810718, 3621436, 7242872]

約数ペア:

[(1, 7242872), (2, 3621436), (4, 1810718), (7, 1034696), (8, 905359), (13, 557144), (14, 517348), (26, 278572), (28, 258674), (52, 139286), (56, 129337), (91, 79592), (104, 69643), (182, 39796), (364, 19898), (728, 9949)]