28396208

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{26489}}^1$

素因数の和:26564

約数の個数: 20

約数和(自身を含む): 55840920

約数和(自身を除く): 27444712

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 26489, 52978, 105956, 211912, 423824, 1774763, 3549526, 7099052, 14198104, 28396208]

約数ペア:

[(1, 28396208), (2, 14198104), (4, 7099052), (8, 3549526), (16, 1774763), (67, 423824), (134, 211912), (268, 105956), (536, 52978), (1072, 26489)]