81708290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{919}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 156193920

約数和(自身を除く): 74485630

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 523, 919, 1046, 1838, 2615, 4595, 5230, 8891, 9190, 15623, 17782, 31246, 44455, 78115, 88910, 156230, 480637, 961274, 2403185, 4806370, 8170829, 16341658, 40854145, 81708290]

約数ペア:

[(1, 81708290), (2, 40854145), (5, 16341658), (10, 8170829), (17, 4806370), (34, 2403185), (85, 961274), (170, 480637), (523, 156230), (919, 88910), (1046, 78115), (1838, 44455), (2615, 31246), (4595, 17782), (5230, 15623), (8891, 9190)]