28780228

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1399}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 52136000

約数和(自身を除く): 23355772

約数列:

[1, 2, 4, 37, 74, 139, 148, 278, 556, 1399, 2798, 5143, 5596, 10286, 20572, 51763, 103526, 194461, 207052, 388922, 777844, 7195057, 14390114, 28780228]

約数ペア:

[(1, 28780228), (2, 14390114), (4, 7195057), (37, 777844), (74, 388922), (139, 207052), (148, 194461), (278, 103526), (556, 51763), (1399, 20572), (2798, 10286), (5143, 5596)]