639808744

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 1260748800

約数和(自身を除く): 620940056

約数列:

[1, 2, 4, 8, 47, 59, 94, 118, 151, 188, 191, 236, 302, 376, 382, 472, 604, 764, 1208, 1528, 2773, 5546, 7097, 8909, 8977, 11092, 11269, 14194, 17818, 17954, 22184, 22538, 28388, 28841, 35636, 35908, 45076, 56776, 57682, 71272, 71816, 90152, 115364, 230728, 418723, 529643, 837446, 1059286, 1355527, 1674892, 1701619, 2118572, 2711054, 3349784, 3403238, 4237144, 5422108, 6806476, 10844216, 13612952, 79976093, 159952186, 319904372, 639808744]

約数ペア:

[(1, 639808744), (2, 319904372), (4, 159952186), (8, 79976093), (47, 13612952), (59, 10844216), (94, 6806476), (118, 5422108), (151, 4237144), (188, 3403238), (191, 3349784), (236, 2711054), (302, 2118572), (376, 1701619), (382, 1674892), (472, 1355527), (604, 1059286), (764, 837446), (1208, 529643), (1528, 418723), (2773, 230728), (5546, 115364), (7097, 90152), (8909, 71816), (8977, 71272), (11092, 57682), (11269, 56776), (14194, 45076), (17818, 35908), (17954, 35636), (22184, 28841), (22538, 28388)]