261373658

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 497629440

約数和(自身を除く): 236255782

約数列:

[1, 2, 7, 13, 14, 26, 59, 91, 101, 118, 182, 202, 241, 413, 482, 707, 767, 826, 1313, 1414, 1534, 1687, 2626, 3133, 3374, 5369, 5959, 6266, 9191, 10738, 11918, 14219, 18382, 21931, 24341, 28438, 41713, 43862, 48682, 77467, 83426, 99533, 154934, 170387, 184847, 199066, 316433, 340774, 369694, 542269, 632866, 1084538, 1293929, 1436119, 2215031, 2587858, 2872238, 4430062, 10052833, 18669547, 20105666, 37339094, 130686829, 261373658]

約数ペア:

[(1, 261373658), (2, 130686829), (7, 37339094), (13, 20105666), (14, 18669547), (26, 10052833), (59, 4430062), (91, 2872238), (101, 2587858), (118, 2215031), (182, 1436119), (202, 1293929), (241, 1084538), (413, 632866), (482, 542269), (707, 369694), (767, 340774), (826, 316433), (1313, 199066), (1414, 184847), (1534, 170387), (1687, 154934), (2626, 99533), (3133, 83426), (3374, 77467), (5369, 48682), (5959, 43862), (6266, 41713), (9191, 28438), (10738, 24341), (11918, 21931), (14219, 18382)]