81300478

素因数分解:

$2^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{30089}}^1$

素因数の和:30291

約数の個数: 16

約数和(自身を含む): 140099040

約数和(自身を除く): 58798562

約数列:

[1, 2, 7, 14, 193, 386, 1351, 2702, 30089, 60178, 210623, 421246, 5807177, 11614354, 40650239, 81300478]

約数ペア:

[(1, 81300478), (2, 40650239), (7, 11614354), (14, 5807177), (193, 421246), (386, 210623), (1351, 60178), (2702, 30089)]