156811228

素因数分解:

$2^2\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{4987}}^1$

素因数の和:6121

約数の個数: 24

約数和(自身を含む): 313964672

約数和(自身を除く): 157153444

約数列:

[1, 2, 4, 7, 14, 28, 1123, 2246, 4492, 4987, 7861, 9974, 15722, 19948, 31444, 34909, 69818, 139636, 5600401, 11200802, 22401604, 39202807, 78405614, 156811228]

約数ペア:

[(1, 156811228), (2, 78405614), (4, 39202807), (7, 22401604), (14, 11200802), (28, 5600401), (1123, 139636), (2246, 69818), (4492, 34909), (4987, 31444), (7861, 19948), (9974, 15722)]