27629990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4691}}^1$

素因数の和:4748

約数の個数: 32

約数和(自身を含む): 54051840

約数和(自身を除く): 26421850

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 4691, 5890, 9382, 23455, 46910, 89129, 145421, 178258, 290842, 445645, 727105, 891290, 1454210, 2762999, 5525998, 13814995, 27629990]

約数ペア:

[(1, 27629990), (2, 13814995), (5, 5525998), (10, 2762999), (19, 1454210), (31, 891290), (38, 727105), (62, 445645), (95, 290842), (155, 178258), (190, 145421), (310, 89129), (589, 46910), (1178, 23455), (2945, 9382), (4691, 5890)]