660619492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{673}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 1278766720

約数和(自身を除く): 618147228

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 439, 559, 673, 878, 1118, 1346, 1756, 2236, 2692, 5707, 8749, 11414, 17498, 18877, 22828, 28939, 34996, 37754, 57878, 75508, 115756, 245401, 295447, 376207, 490802, 590894, 752414, 981604, 1181788, 1504828, 3840811, 7681622, 12704221, 15363244, 25408442, 50816884, 165154873, 330309746, 660619492]

約数ペア:

[(1, 660619492), (2, 330309746), (4, 165154873), (13, 50816884), (26, 25408442), (43, 15363244), (52, 12704221), (86, 7681622), (172, 3840811), (439, 1504828), (559, 1181788), (673, 981604), (878, 752414), (1118, 590894), (1346, 490802), (1756, 376207), (2236, 295447), (2692, 245401), (5707, 115756), (8749, 75508), (11414, 57878), (17498, 37754), (18877, 34996), (22828, 28939)]