31990028

素因数分解:

$2^2\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1901}}^1$

素因数の和:2513

約数の個数: 24

約数和(自身を含む): 64120224

約数和(自身を除く): 32130196

約数列:

[1, 2, 4, 7, 14, 28, 601, 1202, 1901, 2404, 3802, 4207, 7604, 8414, 13307, 16828, 26614, 53228, 1142501, 2285002, 4570004, 7997507, 15995014, 31990028]

約数ペア:

[(1, 31990028), (2, 15995014), (4, 7997507), (7, 4570004), (14, 2285002), (28, 1142501), (601, 53228), (1202, 26614), (1901, 16828), (2404, 13307), (3802, 8414), (4207, 7604)]