639556656

素因数分解:

$2^4\times 3^1\times {\mathrm{313}}^1\times {\mathrm{42569}}^1$

素因数の和:42893

約数の個数: 40

約数和(自身を含む): 1657505520

約数和(自身を除く): 1017948864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 313, 626, 939, 1252, 1878, 2504, 3756, 5008, 7512, 15024, 42569, 85138, 127707, 170276, 255414, 340552, 510828, 681104, 1021656, 2043312, 13324097, 26648194, 39972291, 53296388, 79944582, 106592776, 159889164, 213185552, 319778328, 639556656]

約数ペア:

[(1, 639556656), (2, 319778328), (3, 213185552), (4, 159889164), (6, 106592776), (8, 79944582), (12, 53296388), (16, 39972291), (24, 26648194), (48, 13324097), (313, 2043312), (626, 1021656), (939, 681104), (1252, 510828), (1878, 340552), (2504, 255414), (3756, 170276), (5008, 127707), (7512, 85138), (15024, 42569)]