181995008

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:807

約数の個数: 80

約数和(自身を含む): 402734640

約数和(自身を除く): 220739632

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 128, 148, 208, 256, 296, 416, 481, 512, 592, 739, 832, 962, 1184, 1478, 1664, 1924, 2368, 2956, 3328, 3848, 4736, 5912, 6656, 7696, 9472, 9607, 11824, 15392, 18944, 19214, 23648, 27343, 30784, 38428, 47296, 54686, 61568, 76856, 94592, 109372, 123136, 153712, 189184, 218744, 246272, 307424, 355459, 378368, 437488, 614848, 710918, 874976, 1229696, 1421836, 1749952, 2459392, 2843672, 3499904, 4918784, 5687344, 6999808, 11374688, 13999616, 22749376, 45498752, 90997504, 181995008]

約数ペア:

[(1, 181995008), (2, 90997504), (4, 45498752), (8, 22749376), (13, 13999616), (16, 11374688), (26, 6999808), (32, 5687344), (37, 4918784), (52, 3499904), (64, 2843672), (74, 2459392), (104, 1749952), (128, 1421836), (148, 1229696), (208, 874976), (256, 710918), (296, 614848), (416, 437488), (481, 378368), (512, 355459), (592, 307424), (739, 246272), (832, 218744), (962, 189184), (1184, 153712), (1478, 123136), (1664, 109372), (1924, 94592), (2368, 76856), (2956, 61568), (3328, 54686), (3848, 47296), (4736, 38428), (5912, 30784), (6656, 27343), (7696, 23648), (9472, 19214), (9607, 18944), (11824, 15392)]