1999682384

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{90631}}^1$

素因数の和:90843

約数の個数: 40

約数和(自身を含む): 4450393728

約数和(自身を除く): 2450711344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 1379, 1576, 2758, 3152, 5516, 11032, 22064, 90631, 181262, 362524, 634417, 725048, 1268834, 1450096, 2537668, 5075336, 10150672, 17854307, 35708614, 71417228, 124980149, 142834456, 249960298, 285668912, 499920596, 999841192, 1999682384]

約数ペア:

[(1, 1999682384), (2, 999841192), (4, 499920596), (7, 285668912), (8, 249960298), (14, 142834456), (16, 124980149), (28, 71417228), (56, 35708614), (112, 17854307), (197, 10150672), (394, 5075336), (788, 2537668), (1379, 1450096), (1576, 1268834), (2758, 725048), (3152, 634417), (5516, 362524), (11032, 181262), (22064, 90631)]