1987909216

素因数分解:

$2^5\times {\mathrm{167}}^1\times {\mathrm{397}}^1\times {\mathrm{937}}^1$

素因数の和:1511

約数の個数: 48

約数和(自身を含む): 3951261216

約数和(自身を除く): 1963352000

約数列:

[1, 2, 4, 8, 16, 32, 167, 334, 397, 668, 794, 937, 1336, 1588, 1874, 2672, 3176, 3748, 5344, 6352, 7496, 12704, 14992, 29984, 66299, 132598, 156479, 265196, 312958, 371989, 530392, 625916, 743978, 1060784, 1251832, 1487956, 2121568, 2503664, 2975912, 5007328, 5951824, 11903648, 62122163, 124244326, 248488652, 496977304, 993954608, 1987909216]

約数ペア:

[(1, 1987909216), (2, 993954608), (4, 496977304), (8, 248488652), (16, 124244326), (32, 62122163), (167, 11903648), (334, 5951824), (397, 5007328), (668, 2975912), (794, 2503664), (937, 2121568), (1336, 1487956), (1588, 1251832), (1874, 1060784), (2672, 743978), (3176, 625916), (3748, 530392), (5344, 371989), (6352, 312958), (7496, 265196), (12704, 156479), (14992, 132598), (29984, 66299)]