81247036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{5521}}^1$

素因数の和:5821

約数の個数: 24

約数和(自身を含む): 153688304

約数和(自身を除く): 72441268

約数列:

[1, 2, 4, 13, 26, 52, 283, 566, 1132, 3679, 5521, 7358, 11042, 14716, 22084, 71773, 143546, 287092, 1562443, 3124886, 6249772, 20311759, 40623518, 81247036]

約数ペア:

[(1, 81247036), (2, 40623518), (4, 20311759), (13, 6249772), (26, 3124886), (52, 1562443), (283, 287092), (566, 143546), (1132, 71773), (3679, 22084), (5521, 14716), (7358, 11042)]