215721095

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{13007}}^1$

素因数の和:13150

約数の個数: 16

約数和(自身を含む): 269733888

約数和(自身を除く): 54012793

約数列:

[1, 5, 31, 107, 155, 535, 3317, 13007, 16585, 65035, 403217, 1391749, 2016085, 6958745, 43144219, 215721095]

約数ペア:

[(1, 215721095), (5, 43144219), (31, 6958745), (107, 2016085), (155, 1391749), (535, 403217), (3317, 65035), (13007, 16585)]