641570492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4177}}^1$

素因数の和:4290

約数の個数: 48

約数和(自身を含む): 1235351040

約数和(自身を除く): 593780548

約数列:

[1, 2, 4, 19, 38, 43, 47, 76, 86, 94, 172, 188, 817, 893, 1634, 1786, 2021, 3268, 3572, 4042, 4177, 8084, 8354, 16708, 38399, 76798, 79363, 153596, 158726, 179611, 196319, 317452, 359222, 392638, 718444, 785276, 3412609, 3730061, 6825218, 7460122, 8441717, 13650436, 14920244, 16883434, 33766868, 160392623, 320785246, 641570492]

約数ペア:

[(1, 641570492), (2, 320785246), (4, 160392623), (19, 33766868), (38, 16883434), (43, 14920244), (47, 13650436), (76, 8441717), (86, 7460122), (94, 6825218), (172, 3730061), (188, 3412609), (817, 785276), (893, 718444), (1634, 392638), (1786, 359222), (2021, 317452), (3268, 196319), (3572, 179611), (4042, 158726), (4177, 153596), (8084, 79363), (8354, 76798), (16708, 38399)]