155818768

素因数分解:

$2^4\times 7^1\times {\mathrm{1391239}}^1$

素因数の和:1391254

約数の個数: 20

約数和(自身を含む): 345027520

約数和(自身を除く): 189208752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1391239, 2782478, 5564956, 9738673, 11129912, 19477346, 22259824, 38954692, 77909384, 155818768]

約数ペア:

[(1, 155818768), (2, 77909384), (4, 38954692), (7, 22259824), (8, 19477346), (14, 11129912), (16, 9738673), (28, 5564956), (56, 2782478), (112, 1391239)]