813900188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{159839}}^1$

素因数の和:159929

約数の個数: 24

約数和(自身を含む): 1521676800

約数和(自身を除く): 707776612

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 5092, 159839, 319678, 639356, 3036941, 6073882, 10709213, 12147764, 21418426, 42836852, 203475047, 406950094, 813900188]

約数ペア:

[(1, 813900188), (2, 406950094), (4, 203475047), (19, 42836852), (38, 21418426), (67, 12147764), (76, 10709213), (134, 6073882), (268, 3036941), (1273, 639356), (2546, 319678), (5092, 159839)]