266291284

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 560310912

約数和(自身を除く): 294019628

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 137, 188, 196, 211, 274, 329, 422, 548, 658, 844, 959, 1316, 1477, 1918, 2303, 2954, 3836, 4606, 5908, 6439, 6713, 9212, 9917, 10339, 12878, 13426, 19834, 20678, 25756, 26852, 28907, 39668, 41356, 45073, 57814, 69419, 90146, 115628, 138838, 180292, 202349, 277676, 315511, 404698, 485933, 631022, 809396, 971866, 1262044, 1358629, 1416443, 1943732, 2717258, 2832886, 5434516, 5665772, 9510403, 19020806, 38041612, 66572821, 133145642, 266291284]

約数ペア:

[(1, 266291284), (2, 133145642), (4, 66572821), (7, 38041612), (14, 19020806), (28, 9510403), (47, 5665772), (49, 5434516), (94, 2832886), (98, 2717258), (137, 1943732), (188, 1416443), (196, 1358629), (211, 1262044), (274, 971866), (329, 809396), (422, 631022), (548, 485933), (658, 404698), (844, 315511), (959, 277676), (1316, 202349), (1477, 180292), (1918, 138838), (2303, 115628), (2954, 90146), (3836, 69419), (4606, 57814), (5908, 45073), (6439, 41356), (6713, 39668), (9212, 28907), (9917, 26852), (10339, 25756), (12878, 20678), (13426, 19834)]