251019712

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:677

約数の個数: 56

約数和(自身を含む): 513600192

約数和(自身を除く): 262580480

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 271, 328, 353, 542, 656, 706, 1084, 1312, 1412, 2168, 2624, 2824, 4336, 5648, 8672, 11111, 11296, 14473, 17344, 22222, 22592, 28946, 44444, 57892, 88888, 95663, 115784, 177776, 191326, 231568, 355552, 382652, 463136, 711104, 765304, 926272, 1530608, 3061216, 3922183, 6122432, 7844366, 15688732, 31377464, 62754928, 125509856, 251019712]

約数ペア:

[(1, 251019712), (2, 125509856), (4, 62754928), (8, 31377464), (16, 15688732), (32, 7844366), (41, 6122432), (64, 3922183), (82, 3061216), (164, 1530608), (271, 926272), (328, 765304), (353, 711104), (542, 463136), (656, 382652), (706, 355552), (1084, 231568), (1312, 191326), (1412, 177776), (2168, 115784), (2624, 95663), (2824, 88888), (4336, 57892), (5648, 44444), (8672, 28946), (11111, 22592), (11296, 22222), (14473, 17344)]