28843255

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 41408640

約数和(自身を除く): 12565385

約数列:

[1, 5, 7, 29, 35, 145, 157, 181, 203, 785, 905, 1015, 1099, 1267, 4553, 5249, 5495, 6335, 22765, 26245, 28417, 31871, 36743, 142085, 159355, 183715, 198919, 824093, 994595, 4120465, 5768651, 28843255]

約数ペア:

[(1, 28843255), (5, 5768651), (7, 4120465), (29, 994595), (35, 824093), (145, 198919), (157, 183715), (181, 159355), (203, 142085), (785, 36743), (905, 31871), (1015, 28417), (1099, 26245), (1267, 22765), (4553, 6335), (5249, 5495)]