81029104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{389563}}^1$

素因数の和:389584

約数の個数: 20

約数和(自身を含む): 169070776

約数和(自身を除く): 88041672

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 389563, 779126, 1558252, 3116504, 5064319, 6233008, 10128638, 20257276, 40514552, 81029104]

約数ペア:

[(1, 81029104), (2, 40514552), (4, 20257276), (8, 10128638), (13, 6233008), (16, 5064319), (26, 3116504), (52, 1558252), (104, 779126), (208, 389563)]