31447858

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 54235440

約数和(自身を除く): 22787582

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 421, 442, 842, 2197, 2873, 4394, 5473, 5746, 7157, 10946, 14314, 37349, 71149, 74698, 93041, 142298, 186082, 924937, 1209533, 1849874, 2419066, 15723929, 31447858]

約数ペア:

[(1, 31447858), (2, 15723929), (13, 2419066), (17, 1849874), (26, 1209533), (34, 924937), (169, 186082), (221, 142298), (338, 93041), (421, 74698), (442, 71149), (842, 37349), (2197, 14314), (2873, 10946), (4394, 7157), (5473, 5746)]