221955104

素因数分解:

$2^5\times 7^2\times {\mathrm{353}}^1\times {\mathrm{401}}^1$

素因数の和:778

約数の個数: 72

約数和(自身を含む): 511028028

約数和(自身を除く): 289072924

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 353, 392, 401, 706, 784, 802, 1412, 1568, 1604, 2471, 2807, 2824, 3208, 4942, 5614, 5648, 6416, 9884, 11228, 11296, 12832, 17297, 19649, 19768, 22456, 34594, 39298, 39536, 44912, 69188, 78596, 79072, 89824, 138376, 141553, 157192, 276752, 283106, 314384, 553504, 566212, 628768, 990871, 1132424, 1981742, 2264848, 3963484, 4529696, 6936097, 7926968, 13872194, 15853936, 27744388, 31707872, 55488776, 110977552, 221955104]

約数ペア:

[(1, 221955104), (2, 110977552), (4, 55488776), (7, 31707872), (8, 27744388), (14, 15853936), (16, 13872194), (28, 7926968), (32, 6936097), (49, 4529696), (56, 3963484), (98, 2264848), (112, 1981742), (196, 1132424), (224, 990871), (353, 628768), (392, 566212), (401, 553504), (706, 314384), (784, 283106), (802, 276752), (1412, 157192), (1568, 141553), (1604, 138376), (2471, 89824), (2807, 79072), (2824, 78596), (3208, 69188), (4942, 44912), (5614, 39536), (5648, 39298), (6416, 34594), (9884, 22456), (11228, 19768), (11296, 19649), (12832, 17297)]