31128630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79817}}^1$

素因数の和:79840

約数の個数: 32

約数和(自身を含む): 80456544

約数和(自身を除く): 49327914

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 79817, 159634, 239451, 399085, 478902, 798170, 1037621, 1197255, 2075242, 2394510, 3112863, 5188105, 6225726, 10376210, 15564315, 31128630]

約数ペア:

[(1, 31128630), (2, 15564315), (3, 10376210), (5, 6225726), (6, 5188105), (10, 3112863), (13, 2394510), (15, 2075242), (26, 1197255), (30, 1037621), (39, 798170), (65, 478902), (78, 399085), (130, 239451), (195, 159634), (390, 79817)]