28907515

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{63533}}^1$

素因数の和:63558

約数の個数: 16

約数和(自身を含む): 42694848

約数和(自身を除く): 13787333

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 63533, 317665, 444731, 825929, 2223655, 4129645, 5781503, 28907515]

約数ペア:

[(1, 28907515), (5, 5781503), (7, 4129645), (13, 2223655), (35, 825929), (65, 444731), (91, 317665), (455, 63533)]