251015488

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{569}}^1$

素因数の和:755

約数の個数: 56

約数和(自身を含む): 511652520

約数和(自身を除く): 260637032

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 113, 122, 226, 244, 452, 488, 569, 904, 976, 1138, 1808, 1952, 2276, 3616, 3904, 4552, 6893, 7232, 9104, 13786, 18208, 27572, 34709, 36416, 55144, 64297, 69418, 110288, 128594, 138836, 220576, 257188, 277672, 441152, 514376, 555344, 1028752, 1110688, 2057504, 2221376, 3922117, 4115008, 7844234, 15688468, 31376936, 62753872, 125507744, 251015488]

約数ペア:

[(1, 251015488), (2, 125507744), (4, 62753872), (8, 31376936), (16, 15688468), (32, 7844234), (61, 4115008), (64, 3922117), (113, 2221376), (122, 2057504), (226, 1110688), (244, 1028752), (452, 555344), (488, 514376), (569, 441152), (904, 277672), (976, 257188), (1138, 220576), (1808, 138836), (1952, 128594), (2276, 110288), (3616, 69418), (3904, 64297), (4552, 55144), (6893, 36416), (7232, 34709), (9104, 27572), (13786, 18208)]