25511512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 54754560

約数和(自身を除く): 29243048

約数列:

[1, 2, 4, 8, 13, 26, 31, 41, 52, 62, 82, 104, 124, 164, 193, 248, 328, 386, 403, 533, 772, 806, 1066, 1271, 1544, 1612, 2132, 2509, 2542, 3224, 4264, 5018, 5084, 5983, 7913, 10036, 10168, 11966, 15826, 16523, 20072, 23932, 31652, 33046, 47864, 63304, 66092, 77779, 102869, 132184, 155558, 205738, 245303, 311116, 411476, 490606, 622232, 822952, 981212, 1962424, 3188939, 6377878, 12755756, 25511512]

約数ペア:

[(1, 25511512), (2, 12755756), (4, 6377878), (8, 3188939), (13, 1962424), (26, 981212), (31, 822952), (41, 622232), (52, 490606), (62, 411476), (82, 311116), (104, 245303), (124, 205738), (164, 155558), (193, 132184), (248, 102869), (328, 77779), (386, 66092), (403, 63304), (533, 47864), (772, 33046), (806, 31652), (1066, 23932), (1271, 20072), (1544, 16523), (1612, 15826), (2132, 11966), (2509, 10168), (2542, 10036), (3224, 7913), (4264, 5983), (5018, 5084)]