31990946

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2089}}^1$

素因数の和:2154

約数の個数: 32

約数和(自身を含む): 56179200

約数和(自身を除く): 24188254

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 806, 1178, 2089, 4178, 7657, 15314, 27157, 39691, 54314, 64759, 79382, 129518, 515983, 841867, 1031966, 1230421, 1683734, 2460842, 15995473, 31990946]

約数ペア:

[(1, 31990946), (2, 15995473), (13, 2460842), (19, 1683734), (26, 1230421), (31, 1031966), (38, 841867), (62, 515983), (247, 129518), (403, 79382), (494, 64759), (589, 54314), (806, 39691), (1178, 27157), (2089, 15314), (4178, 7657)]