28693775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{691}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 39128448

約数和(自身を除く): 10434673

約数列:

[1, 5, 11, 25, 55, 151, 275, 691, 755, 1661, 3455, 3775, 7601, 8305, 17275, 38005, 41525, 104341, 190025, 521705, 1147751, 2608525, 5738755, 28693775]

約数ペア:

[(1, 28693775), (5, 5738755), (11, 2608525), (25, 1147751), (55, 521705), (151, 190025), (275, 104341), (691, 41525), (755, 38005), (1661, 17275), (3455, 8305), (3775, 7601)]