28154465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7703}}^1$

素因数の和:7768

約数の個数: 16

約数和(自身を含む): 36609408

約数和(自身を除く): 8454943

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 7703, 38515, 130951, 331229, 654755, 1656145, 5630893, 28154465]

約数ペア:

[(1, 28154465), (5, 5630893), (17, 1656145), (43, 654755), (85, 331229), (215, 130951), (731, 38515), (3655, 7703)]