28812355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{683}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 12555965

約数列:

[1, 5, 11, 13, 55, 59, 65, 143, 295, 649, 683, 715, 767, 3245, 3415, 3835, 7513, 8437, 8879, 37565, 40297, 42185, 44395, 97669, 201485, 443267, 488345, 523861, 2216335, 2619305, 5762471, 28812355]

約数ペア:

[(1, 28812355), (5, 5762471), (11, 2619305), (13, 2216335), (55, 523861), (59, 488345), (65, 443267), (143, 201485), (295, 97669), (649, 44395), (683, 42185), (715, 40297), (767, 37565), (3245, 8879), (3415, 8437), (3835, 7513)]