990147284

素因数分解:

$2^2\times 7^1\times {\mathrm{1931}}^1\times {\mathrm{18313}}^1$

素因数の和:20255

約数の個数: 24

約数和(自身を含む): 1981428288

約数和(自身を除く): 991281004

約数列:

[1, 2, 4, 7, 14, 28, 1931, 3862, 7724, 13517, 18313, 27034, 36626, 54068, 73252, 128191, 256382, 512764, 35362403, 70724806, 141449612, 247536821, 495073642, 990147284]

約数ペア:

[(1, 990147284), (2, 495073642), (4, 247536821), (7, 141449612), (14, 70724806), (28, 35362403), (1931, 512764), (3862, 256382), (7724, 128191), (13517, 73252), (18313, 54068), (27034, 36626)]