2019889508

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{78157}}^1$

素因数の和:78252

約数の個数: 48

約数和(自身を含む): 4411862784

約数和(自身を除く): 2391973276

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 923, 994, 1846, 1988, 3692, 6461, 12922, 25844, 78157, 156314, 312628, 547099, 1016041, 1094198, 2032082, 2188396, 4064164, 5549147, 7112287, 11098294, 14224574, 22196588, 28449148, 38844029, 72138911, 77688058, 144277822, 155376116, 288555644, 504972377, 1009944754, 2019889508]

約数ペア:

[(1, 2019889508), (2, 1009944754), (4, 504972377), (7, 288555644), (13, 155376116), (14, 144277822), (26, 77688058), (28, 72138911), (52, 38844029), (71, 28449148), (91, 22196588), (142, 14224574), (182, 11098294), (284, 7112287), (364, 5549147), (497, 4064164), (923, 2188396), (994, 2032082), (1846, 1094198), (1988, 1016041), (3692, 547099), (6461, 312628), (12922, 156314), (25844, 78157)]