857588990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1\times {\mathrm{2311}}^1$

素因数の和:3224

約数の個数: 32

約数和(自身を含む): 1582073856

約数和(自身を除く): 724484866

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 863, 1726, 2311, 4315, 4622, 8630, 11555, 23110, 37109, 74218, 99373, 185545, 198746, 371090, 496865, 993730, 1994393, 3988786, 9971965, 19943930, 85758899, 171517798, 428794495, 857588990]

約数ペア:

[(1, 857588990), (2, 428794495), (5, 171517798), (10, 85758899), (43, 19943930), (86, 9971965), (215, 3988786), (430, 1994393), (863, 993730), (1726, 496865), (2311, 371090), (4315, 198746), (4622, 185545), (8630, 99373), (11555, 74218), (23110, 37109)]