1990630.00000000

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{887}}^1$

素因数の和:1171

約数の個数: 16

約数和(自身を含む): 50988960

約数和(自身を除く): 17536642

約数列:

[1, 2, 109, 173, 218, 346, 887, 1774, 18857, 37714, 96683, 153451, 193366, 306902, 16726159, 33452318]

約数ペア:

[(1, 33452318), (2, 16726159), (109, 306902), (173, 193366), (218, 153451), (346, 96683), (887, 37714), (1774, 18857)]