81609506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{69991}}^1$

素因数の和:70057

約数の個数: 16

約数和(自身を含む): 136064448

約数和(自身を除く): 54454942

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 69991, 139982, 769901, 1539802, 3709523, 7419046, 40804753, 81609506]

約数ペア:

[(1, 81609506), (2, 40804753), (11, 7419046), (22, 3709523), (53, 1539802), (106, 769901), (583, 139982), (1166, 69991)]