128778455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{4513}}^1$

素因数の和:4970

約数の個数: 16

約数和(自身を含む): 166837440

約数和(自身を除く): 38058985

約数列:

[1, 5, 13, 65, 439, 2195, 4513, 5707, 22565, 28535, 58669, 293345, 1981207, 9906035, 25755691, 128778455]

約数ペア:

[(1, 128778455), (5, 25755691), (13, 9906035), (65, 1981207), (439, 293345), (2195, 58669), (4513, 28535), (5707, 22565)]