81717610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{2237}}^1$

素因数の和:2538

約数の個数: 32

約数和(自身を含む): 159041232

約数和(自身を除く): 77323622

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 562, 1405, 2237, 2810, 3653, 4474, 7306, 11185, 18265, 22370, 29081, 36530, 58162, 145405, 290810, 628597, 1257194, 3142985, 6285970, 8171761, 16343522, 40858805, 81717610]

約数ペア:

[(1, 81717610), (2, 40858805), (5, 16343522), (10, 8171761), (13, 6285970), (26, 3142985), (65, 1257194), (130, 628597), (281, 290810), (562, 145405), (1405, 58162), (2237, 36530), (2810, 29081), (3653, 22370), (4474, 18265), (7306, 11185)]