131778304

素因数分解:

$2^8\times 7^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 303231488

約数和(自身を除く): 171453184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 151, 224, 256, 302, 448, 487, 604, 896, 974, 1057, 1208, 1792, 1948, 2114, 2416, 3409, 3896, 4228, 4832, 6818, 7792, 8456, 9664, 13636, 15584, 16912, 19328, 27272, 31168, 33824, 38656, 54544, 62336, 67648, 73537, 109088, 124672, 135296, 147074, 218176, 270592, 294148, 436352, 514759, 588296, 872704, 1029518, 1176592, 2059036, 2353184, 4118072, 4706368, 8236144, 9412736, 16472288, 18825472, 32944576, 65889152, 131778304]

約数ペア:

[(1, 131778304), (2, 65889152), (4, 32944576), (7, 18825472), (8, 16472288), (14, 9412736), (16, 8236144), (28, 4706368), (32, 4118072), (56, 2353184), (64, 2059036), (112, 1176592), (128, 1029518), (151, 872704), (224, 588296), (256, 514759), (302, 436352), (448, 294148), (487, 270592), (604, 218176), (896, 147074), (974, 135296), (1057, 124672), (1208, 109088), (1792, 73537), (1948, 67648), (2114, 62336), (2416, 54544), (3409, 38656), (3896, 33824), (4228, 31168), (4832, 27272), (6818, 19328), (7792, 16912), (8456, 15584), (9664, 13636)]