316780165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157211}}^1$

素因数の和:157260

約数の個数: 16

約数和(自身を含む): 422585856

約数和(自身を除く): 105805691

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 157211, 786055, 2043743, 4873541, 10218715, 24367705, 63356033, 316780165]

約数ペア:

[(1, 316780165), (5, 63356033), (13, 24367705), (31, 10218715), (65, 4873541), (155, 2043743), (403, 786055), (2015, 157211)]