391515361

素因数分解:

${\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{991}}^1$

素因数の和:1296

約数の個数: 16

約数和(自身を含む): 415687680

約数和(自身を除く): 24172319

約数列:

[1, 23, 89, 193, 991, 2047, 4439, 17177, 22793, 88199, 191263, 395071, 2028577, 4399049, 17022407, 391515361]

約数ペア:

[(1, 391515361), (23, 17022407), (89, 4399049), (193, 2028577), (991, 395071), (2047, 191263), (4439, 88199), (17177, 22793)]