27981734

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2756

約数の個数: 24

約数和(自身を含む): 47225640

約数和(自身を除く): 19243906

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 2689, 5203, 5378, 10406, 29579, 59158, 115627, 231254, 325369, 650738, 1271897, 2543794, 13990867, 27981734]

約数ペア:

[(1, 27981734), (2, 13990867), (11, 2543794), (22, 1271897), (43, 650738), (86, 325369), (121, 231254), (242, 115627), (473, 59158), (946, 29579), (2689, 10406), (5203, 5378)]