220165556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{43649}}^1$

素因数の和:43763

約数の個数: 24

約数和(自身を含む): 419214600

約数和(自身を除く): 199049044

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 43649, 87298, 174596, 567437, 1134874, 2269748, 4233953, 8467906, 16935812, 55041389, 110082778, 220165556]

約数ペア:

[(1, 220165556), (2, 110082778), (4, 55041389), (13, 16935812), (26, 8467906), (52, 4233953), (97, 2269748), (194, 1134874), (388, 567437), (1261, 174596), (2522, 87298), (5044, 43649)]