251019801291

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1\times {\mathrm{16673}}^1$

素因数の和:17188

約数の個数: 64

約数和(自身を含む): 407859379200

約数和(自身を除く): 156839577909

約数列:

[1, 3, 7, 19, 21, 57, 97, 133, 291, 389, 399, 679, 1167, 1843, 2037, 2723, 5529, 7391, 8169, 12901, 16673, 22173, 37733, 38703, 50019, 51737, 113199, 116711, 155211, 264131, 316787, 350133, 716927, 792393, 950361, 1617281, 2150781, 2217509, 4851843, 5018489, 6485797, 6652527, 11320967, 15055467, 19457391, 30728339, 33962901, 45400579, 92185017, 123230143, 136201737, 215098373, 369690429, 629122309, 645295119, 862611001, 1887366927, 2587833003, 4403856163, 11953323871, 13211568489, 35859971613, 83673267097, 251019801291]

約数ペア:

[(1, 251019801291), (3, 83673267097), (7, 35859971613), (19, 13211568489), (21, 11953323871), (57, 4403856163), (97, 2587833003), (133, 1887366927), (291, 862611001), (389, 645295119), (399, 629122309), (679, 369690429), (1167, 215098373), (1843, 136201737), (2037, 123230143), (2723, 92185017), (5529, 45400579), (7391, 33962901), (8169, 30728339), (12901, 19457391), (16673, 15055467), (22173, 11320967), (37733, 6652527), (38703, 6485797), (50019, 5018489), (51737, 4851843), (113199, 2217509), (116711, 2150781), (155211, 1617281), (264131, 950361), (316787, 792393), (350133, 716927)]