261456338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{8387}}^1$

素因数の和:8522

約数の個数: 32

約数和(自身を含む): 465030720

約数和(自身を除く): 203574382

約数列:

[1, 2, 11, 13, 22, 26, 109, 143, 218, 286, 1199, 1417, 2398, 2834, 8387, 15587, 16774, 31174, 92257, 109031, 184514, 218062, 914183, 1199341, 1828366, 2398682, 10056013, 11884379, 20112026, 23768758, 130728169, 261456338]

約数ペア:

[(1, 261456338), (2, 130728169), (11, 23768758), (13, 20112026), (22, 11884379), (26, 10056013), (109, 2398682), (143, 1828366), (218, 1199341), (286, 914183), (1199, 218062), (1417, 184514), (2398, 109031), (2834, 92257), (8387, 31174), (15587, 16774)]