155143408

素因数分解:

$2^4\times 7^2\times {\mathrm{197887}}^1$

素因数の和:197909

約数の個数: 30

約数和(自身を含む): 349668096

約数和(自身を除く): 194524688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 197887, 395774, 791548, 1385209, 1583096, 2770418, 3166192, 5540836, 9696463, 11081672, 19392926, 22163344, 38785852, 77571704, 155143408]

約数ペア:

[(1, 155143408), (2, 77571704), (4, 38785852), (7, 22163344), (8, 19392926), (14, 11081672), (16, 9696463), (28, 5540836), (49, 3166192), (56, 2770418), (98, 1583096), (112, 1385209), (196, 791548), (392, 395774), (784, 197887)]