291256196

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{12281}}^1$

素因数の和:12321

約数の個数: 54

約数和(自身を含む): 651768894

約数和(自身を除く): 360512698

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 847, 1078, 1694, 2156, 3388, 5929, 11858, 12281, 23716, 24562, 49124, 85967, 135091, 171934, 270182, 343868, 540364, 601769, 945637, 1203538, 1486001, 1891274, 2407076, 2972002, 3782548, 5944004, 6619459, 10402007, 13238918, 20804014, 26477836, 41608028, 72814049, 145628098, 291256196]

約数ペア:

[(1, 291256196), (2, 145628098), (4, 72814049), (7, 41608028), (11, 26477836), (14, 20804014), (22, 13238918), (28, 10402007), (44, 6619459), (49, 5944004), (77, 3782548), (98, 2972002), (121, 2407076), (154, 1891274), (196, 1486001), (242, 1203538), (308, 945637), (484, 601769), (539, 540364), (847, 343868), (1078, 270182), (1694, 171934), (2156, 135091), (3388, 85967), (5929, 49124), (11858, 24562), (12281, 23716)]