16498025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 21278400

約数和(自身を除く): 4780375

約数列:

[1, 5, 25, 43, 103, 149, 215, 515, 745, 1075, 2575, 3725, 4429, 6407, 15347, 22145, 32035, 76735, 110725, 160175, 383675, 659921, 3299605, 16498025]

約数ペア:

[(1, 16498025), (5, 3299605), (25, 659921), (43, 383675), (103, 160175), (149, 110725), (215, 76735), (515, 32035), (745, 22145), (1075, 15347), (2575, 6407), (3725, 4429)]