87969815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{4027}}^1$

素因数の和:4306

約数の個数: 16

約数和(自身を含む): 112236192

約数和(自身を除く): 24266377

約数列:

[1, 5, 17, 85, 257, 1285, 4027, 4369, 20135, 21845, 68459, 342295, 1034939, 5174695, 17593963, 87969815]

約数ペア:

[(1, 87969815), (5, 17593963), (17, 5174695), (85, 1034939), (257, 342295), (1285, 68459), (4027, 21845), (4369, 20135)]