201521516

素因数分解:

$2^2\times 7^2\times {\mathrm{1009}}^1\times {\mathrm{1019}}^1$

素因数の和:2046

約数の個数: 36

約数和(自身を含む): 411049800

約数和(自身を除く): 209528284

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 1009, 1019, 2018, 2038, 4036, 4076, 7063, 7133, 14126, 14266, 28252, 28532, 49441, 49931, 98882, 99862, 197764, 199724, 1028171, 2056342, 4112684, 7197197, 14394394, 28788788, 50380379, 100760758, 201521516]

約数ペア:

[(1, 201521516), (2, 100760758), (4, 50380379), (7, 28788788), (14, 14394394), (28, 7197197), (49, 4112684), (98, 2056342), (196, 1028171), (1009, 199724), (1019, 197764), (2018, 99862), (2038, 98882), (4036, 49931), (4076, 49441), (7063, 28532), (7133, 28252), (14126, 14266)]