638319946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{9649}}^1$

素因数の和:9790

約数の個数: 32

約数和(自身を含む): 1089446400

約数和(自身を除く): 451126454

約数列:

[1, 2, 11, 22, 31, 62, 97, 194, 341, 682, 1067, 2134, 3007, 6014, 9649, 19298, 33077, 66154, 106139, 212278, 299119, 598238, 935953, 1871906, 3290309, 6580618, 10295483, 20590966, 29014543, 58029086, 319159973, 638319946]

約数ペア:

[(1, 638319946), (2, 319159973), (11, 58029086), (22, 29014543), (31, 20590966), (62, 10295483), (97, 6580618), (194, 3290309), (341, 1871906), (682, 935953), (1067, 598238), (2134, 299119), (3007, 212278), (6014, 106139), (9649, 66154), (19298, 33077)]