16839095

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 26889408

約数和(自身を除く): 10050313

約数列:

[1, 5, 7, 13, 17, 35, 49, 65, 85, 91, 119, 221, 245, 311, 455, 595, 637, 833, 1105, 1547, 1555, 2177, 3185, 4043, 4165, 5287, 7735, 10829, 10885, 15239, 20215, 26435, 28301, 37009, 54145, 68731, 76195, 141505, 185045, 198107, 259063, 343655, 481117, 990535, 1295315, 2405585, 3367819, 16839095]

約数ペア:

[(1, 16839095), (5, 3367819), (7, 2405585), (13, 1295315), (17, 990535), (35, 481117), (49, 343655), (65, 259063), (85, 198107), (91, 185045), (119, 141505), (221, 76195), (245, 68731), (311, 54145), (455, 37009), (595, 28301), (637, 26435), (833, 20215), (1105, 15239), (1547, 10885), (1555, 10829), (2177, 7735), (3185, 5287), (4043, 4165)]