28153936

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{26263}}^1$

素因数の和:26338

約数の個数: 20

約数和(自身を含む): 55364512

約数和(自身を除く): 27210576

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 26263, 52526, 105052, 210104, 420208, 1759621, 3519242, 7038484, 14076968, 28153936]

約数ペア:

[(1, 28153936), (2, 14076968), (4, 7038484), (8, 3519242), (16, 1759621), (67, 420208), (134, 210104), (268, 105052), (536, 52526), (1072, 26263)]