28508836

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1097}}^1$

素因数の和:1263

約数の個数: 24

約数和(自身を含む): 51188760

約数和(自身を除く): 22679924

約数列:

[1, 2, 4, 73, 89, 146, 178, 292, 356, 1097, 2194, 4388, 6497, 12994, 25988, 80081, 97633, 160162, 195266, 320324, 390532, 7127209, 14254418, 28508836]

約数ペア:

[(1, 28508836), (2, 14254418), (4, 7127209), (73, 390532), (89, 320324), (146, 195266), (178, 160162), (292, 97633), (356, 80081), (1097, 25988), (2194, 12994), (4388, 6497)]