258903215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1039}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 340454400

約数和(自身を除く): 81551185

約数列:

[1, 5, 19, 43, 61, 95, 215, 305, 817, 1039, 1159, 2623, 4085, 5195, 5795, 13115, 19741, 44677, 49837, 63379, 98705, 223385, 249185, 316895, 848863, 1204201, 2725297, 4244315, 6021005, 13626485, 51780643, 258903215]

約数ペア:

[(1, 258903215), (5, 51780643), (19, 13626485), (43, 6021005), (61, 4244315), (95, 2725297), (215, 1204201), (305, 848863), (817, 316895), (1039, 249185), (1159, 223385), (2623, 98705), (4085, 63379), (5195, 49837), (5795, 44677), (13115, 19741)]