81905348

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{743}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 170655744

約数和(自身を除く): 88750396

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 217, 254, 434, 508, 743, 868, 889, 1486, 1778, 2972, 3556, 3937, 5201, 7874, 10402, 15748, 20804, 23033, 27559, 46066, 55118, 92132, 94361, 110236, 161231, 188722, 322462, 377444, 644924, 660527, 1321054, 2642108, 2925191, 5850382, 11700764, 20476337, 40952674, 81905348]

約数ペア:

[(1, 81905348), (2, 40952674), (4, 20476337), (7, 11700764), (14, 5850382), (28, 2925191), (31, 2642108), (62, 1321054), (124, 660527), (127, 644924), (217, 377444), (254, 322462), (434, 188722), (508, 161231), (743, 110236), (868, 94361), (889, 92132), (1486, 55118), (1778, 46066), (2972, 27559), (3556, 23033), (3937, 20804), (5201, 15748), (7874, 10402)]