87831436

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1433}}^1$

素因数の和:1654

約数の個数: 48

約数和(自身を含む): 192729600

約数和(自身を除く): 104898164

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 199, 308, 398, 796, 1393, 1433, 2189, 2786, 2866, 4378, 5572, 5732, 8756, 10031, 15323, 15763, 20062, 30646, 31526, 40124, 61292, 63052, 110341, 220682, 285167, 441364, 570334, 1140668, 1996169, 3136837, 3992338, 6273674, 7984676, 12547348, 21957859, 43915718, 87831436]

約数ペア:

[(1, 87831436), (2, 43915718), (4, 21957859), (7, 12547348), (11, 7984676), (14, 6273674), (22, 3992338), (28, 3136837), (44, 1996169), (77, 1140668), (154, 570334), (199, 441364), (308, 285167), (398, 220682), (796, 110341), (1393, 63052), (1433, 61292), (2189, 40124), (2786, 31526), (2866, 30646), (4378, 20062), (5572, 15763), (5732, 15323), (8756, 10031)]