681137648

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{6737}}^1$

素因数の和:6905

約数の個数: 40

約数和(自身を含む): 1353529440

約数和(自身を除く): 672391792

約数列:

[1, 2, 4, 8, 16, 71, 89, 142, 178, 284, 356, 568, 712, 1136, 1424, 6319, 6737, 12638, 13474, 25276, 26948, 50552, 53896, 101104, 107792, 478327, 599593, 956654, 1199186, 1913308, 2398372, 3826616, 4796744, 7653232, 9593488, 42571103, 85142206, 170284412, 340568824, 681137648]

約数ペア:

[(1, 681137648), (2, 340568824), (4, 170284412), (8, 85142206), (16, 42571103), (71, 9593488), (89, 7653232), (142, 4796744), (178, 3826616), (284, 2398372), (356, 1913308), (568, 1199186), (712, 956654), (1136, 599593), (1424, 478327), (6319, 107792), (6737, 101104), (12638, 53896), (13474, 50552), (25276, 26948)]