31273816

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 70217280

約数和(自身を除く): 38943464

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 53, 56, 82, 106, 164, 212, 257, 287, 328, 371, 424, 514, 574, 742, 1028, 1148, 1484, 1799, 2056, 2173, 2296, 2968, 3598, 4346, 7196, 8692, 10537, 13621, 14392, 15211, 17384, 21074, 27242, 30422, 42148, 54484, 60844, 73759, 84296, 95347, 108968, 121688, 147518, 190694, 295036, 381388, 558461, 590072, 762776, 1116922, 2233844, 3909227, 4467688, 7818454, 15636908, 31273816]

約数ペア:

[(1, 31273816), (2, 15636908), (4, 7818454), (7, 4467688), (8, 3909227), (14, 2233844), (28, 1116922), (41, 762776), (53, 590072), (56, 558461), (82, 381388), (106, 295036), (164, 190694), (212, 147518), (257, 121688), (287, 108968), (328, 95347), (371, 84296), (424, 73759), (514, 60844), (574, 54484), (742, 42148), (1028, 30422), (1148, 27242), (1484, 21074), (1799, 17384), (2056, 15211), (2173, 14392), (2296, 13621), (2968, 10537), (3598, 8692), (4346, 7196)]