27891556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 61391232

約数和(自身を除く): 33499676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 137, 154, 274, 308, 548, 661, 959, 1322, 1507, 1918, 2644, 3014, 3836, 4627, 6028, 7271, 9254, 10549, 14542, 18508, 21098, 29084, 42196, 50897, 90557, 101794, 181114, 203588, 362228, 633899, 996127, 1267798, 1992254, 2535596, 3984508, 6972889, 13945778, 27891556]

約数ペア:

[(1, 27891556), (2, 13945778), (4, 6972889), (7, 3984508), (11, 2535596), (14, 1992254), (22, 1267798), (28, 996127), (44, 633899), (77, 362228), (137, 203588), (154, 181114), (274, 101794), (308, 90557), (548, 50897), (661, 42196), (959, 29084), (1322, 21098), (1507, 18508), (1918, 14542), (2644, 10549), (3014, 9254), (3836, 7271), (4627, 6028)]