256545684

素因数分解:

$2^2\times 3^3\times {\mathrm{131}}^1\times {\mathrm{18133}}^1$

素因数の和:18277

約数の個数: 48

約数和(自身を含む): 670232640

約数和(自身を除く): 413686956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 131, 262, 393, 524, 786, 1179, 1572, 2358, 3537, 4716, 7074, 14148, 18133, 36266, 54399, 72532, 108798, 163197, 217596, 326394, 489591, 652788, 979182, 1958364, 2375423, 4750846, 7126269, 9501692, 14252538, 21378807, 28505076, 42757614, 64136421, 85515228, 128272842, 256545684]

約数ペア:

[(1, 256545684), (2, 128272842), (3, 85515228), (4, 64136421), (6, 42757614), (9, 28505076), (12, 21378807), (18, 14252538), (27, 9501692), (36, 7126269), (54, 4750846), (108, 2375423), (131, 1958364), (262, 979182), (393, 652788), (524, 489591), (786, 326394), (1179, 217596), (1572, 163197), (2358, 108798), (3537, 72532), (4716, 54399), (7074, 36266), (14148, 18133)]