636140065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 894136320

約数和(自身を除く): 257996255

約数列:

[1, 5, 11, 43, 47, 55, 59, 97, 215, 235, 295, 473, 485, 517, 649, 1067, 2021, 2365, 2537, 2585, 2773, 3245, 4171, 4559, 5335, 5723, 10105, 12685, 13865, 20855, 22231, 22795, 27907, 28615, 30503, 45881, 50149, 62953, 111155, 119239, 139535, 152515, 196037, 229405, 246089, 250745, 268981, 314765, 596195, 980185, 1230445, 1311629, 1344905, 2156407, 2706979, 2958791, 6558145, 10782035, 11566183, 13534895, 14793955, 57830915, 127228013, 636140065]

約数ペア:

[(1, 636140065), (5, 127228013), (11, 57830915), (43, 14793955), (47, 13534895), (55, 11566183), (59, 10782035), (97, 6558145), (215, 2958791), (235, 2706979), (295, 2156407), (473, 1344905), (485, 1311629), (517, 1230445), (649, 980185), (1067, 596195), (2021, 314765), (2365, 268981), (2537, 250745), (2585, 246089), (2773, 229405), (3245, 196037), (4171, 152515), (4559, 139535), (5335, 119239), (5723, 111155), (10105, 62953), (12685, 50149), (13865, 45881), (20855, 30503), (22231, 28615), (22795, 27907)]