257014016

素因数分解:

$2^8\times 7^3\times {\mathrm{2927}}^1$

素因数の和:2964

約数の個数: 72

約数和(自身を含む): 598483200

約数和(自身を除く): 341469184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 686, 784, 896, 1372, 1568, 1792, 2744, 2927, 3136, 5488, 5854, 6272, 10976, 11708, 12544, 20489, 21952, 23416, 40978, 43904, 46832, 81956, 87808, 93664, 143423, 163912, 187328, 286846, 327824, 374656, 573692, 655648, 749312, 1003961, 1147384, 1311296, 2007922, 2294768, 2622592, 4015844, 4589536, 5245184, 8031688, 9179072, 16063376, 18358144, 32126752, 36716288, 64253504, 128507008, 257014016]

約数ペア:

[(1, 257014016), (2, 128507008), (4, 64253504), (7, 36716288), (8, 32126752), (14, 18358144), (16, 16063376), (28, 9179072), (32, 8031688), (49, 5245184), (56, 4589536), (64, 4015844), (98, 2622592), (112, 2294768), (128, 2007922), (196, 1311296), (224, 1147384), (256, 1003961), (343, 749312), (392, 655648), (448, 573692), (686, 374656), (784, 327824), (896, 286846), (1372, 187328), (1568, 163912), (1792, 143423), (2744, 93664), (2927, 87808), (3136, 81956), (5488, 46832), (5854, 43904), (6272, 40978), (10976, 23416), (11708, 21952), (12544, 20489)]