128540879992

素因数分解:

$2^3\times 7^1\times {\mathrm{787}}^1\times {\mathrm{2916611}}^1$

素因数の和:2917411

約数の個数: 32

約数和(自身を含む): 275794830720

約数和(自身を除く): 147253950728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 787, 1574, 3148, 5509, 6296, 11018, 22036, 44072, 2916611, 5833222, 11666444, 20416277, 23332888, 40832554, 81665108, 163330216, 2295372857, 4590745714, 9181491428, 16067609999, 18362982856, 32135219998, 64270439996, 128540879992]

約数ペア:

[(1, 128540879992), (2, 64270439996), (4, 32135219998), (7, 18362982856), (8, 16067609999), (14, 9181491428), (28, 4590745714), (56, 2295372857), (787, 163330216), (1574, 81665108), (3148, 40832554), (5509, 23332888), (6296, 20416277), (11018, 11666444), (22036, 5833222), (44072, 2916611)]