400906996

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{112741}}^1$

素因数の和:112879

約数の個数: 24

約数和(自身を含む): 808134656

約数和(自身を除く): 407227660

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 112741, 225482, 450964, 789187, 1578374, 3156748, 14318107, 28636214, 57272428, 100226749, 200453498, 400906996]

約数ペア:

[(1, 400906996), (2, 200453498), (4, 100226749), (7, 57272428), (14, 28636214), (28, 14318107), (127, 3156748), (254, 1578374), (508, 789187), (889, 450964), (1778, 225482), (3556, 112741)]