639618784

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{92111}}^1$

素因数の和:92159

約数の個数: 48

約数和(自身を含む): 1485582336

約数和(自身を除く): 845963552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3472, 6944, 92111, 184222, 368444, 644777, 736888, 1289554, 1473776, 2579108, 2855441, 2947552, 5158216, 5710882, 10316432, 11421764, 19988087, 20632864, 22843528, 39976174, 45687056, 79952348, 91374112, 159904696, 319809392, 639618784]

約数ペア:

[(1, 639618784), (2, 319809392), (4, 159904696), (7, 91374112), (8, 79952348), (14, 45687056), (16, 39976174), (28, 22843528), (31, 20632864), (32, 19988087), (56, 11421764), (62, 10316432), (112, 5710882), (124, 5158216), (217, 2947552), (224, 2855441), (248, 2579108), (434, 1473776), (496, 1289554), (868, 736888), (992, 644777), (1736, 368444), (3472, 184222), (6944, 92111)]