81398737

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 103334400

約数和(自身を除く): 21935663

約数列:

[1, 7, 17, 29, 103, 119, 203, 229, 493, 721, 1603, 1751, 2987, 3451, 3893, 6641, 12257, 20909, 23587, 27251, 46487, 50779, 112897, 165109, 355453, 400979, 684023, 790279, 2806853, 4788161, 11628391, 81398737]

約数ペア:

[(1, 81398737), (7, 11628391), (17, 4788161), (29, 2806853), (103, 790279), (119, 684023), (203, 400979), (229, 355453), (493, 165109), (721, 112897), (1603, 50779), (1751, 46487), (2987, 27251), (3451, 23587), (3893, 20909), (6641, 12257)]