155220688

素因数分解:

$2^4\times 7^1\times {\mathrm{1385899}}^1$

素因数の和:1385914

約数の個数: 20

約数和(自身を含む): 343703200

約数和(自身を除く): 188482512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1385899, 2771798, 5543596, 9701293, 11087192, 19402586, 22174384, 38805172, 77610344, 155220688]

約数ペア:

[(1, 155220688), (2, 77610344), (4, 38805172), (7, 22174384), (8, 19402586), (14, 11087192), (16, 9701293), (28, 5543596), (56, 2771798), (112, 1385899)]