16983425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 22599000

約数和(自身を除く): 5615575

約数列:

[1, 5, 17, 25, 85, 89, 425, 445, 449, 1513, 2225, 2245, 7565, 7633, 11225, 37825, 38165, 39961, 190825, 199805, 679337, 999025, 3396685, 16983425]

約数ペア:

[(1, 16983425), (5, 3396685), (17, 999025), (25, 679337), (85, 199805), (89, 190825), (425, 39961), (445, 38165), (449, 37825), (1513, 11225), (2225, 7633), (2245, 7565)]