64688428

素因数分解:

$2^2\times 7^3\times {\mathrm{47149}}^1$

素因数の和:47174

約数の個数: 24

約数和(自身を含む): 132020000

約数和(自身を除く): 67331572

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 47149, 94298, 188596, 330043, 660086, 1320172, 2310301, 4620602, 9241204, 16172107, 32344214, 64688428]

約数ペア:

[(1, 64688428), (2, 32344214), (4, 16172107), (7, 9241204), (14, 4620602), (28, 2310301), (49, 1320172), (98, 660086), (196, 330043), (343, 188596), (686, 94298), (1372, 47149)]