51781268

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:2000

約数の個数: 48

約数和(自身を含む): 114307200

約数和(自身を除く): 62525932

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 154, 178, 308, 356, 623, 979, 1246, 1889, 1958, 2492, 3778, 3916, 6853, 7556, 13223, 13706, 20779, 26446, 27412, 41558, 52892, 83116, 145453, 168121, 290906, 336242, 581812, 672484, 1176847, 1849331, 2353694, 3698662, 4707388, 7397324, 12945317, 25890634, 51781268]

約数ペア:

[(1, 51781268), (2, 25890634), (4, 12945317), (7, 7397324), (11, 4707388), (14, 3698662), (22, 2353694), (28, 1849331), (44, 1176847), (77, 672484), (89, 581812), (154, 336242), (178, 290906), (308, 168121), (356, 145453), (623, 83116), (979, 52892), (1246, 41558), (1889, 27412), (1958, 26446), (2492, 20779), (3778, 13706), (3916, 13223), (6853, 7556)]