660725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 937440

約数和(自身を除く): 276715

約数列:

[1, 5, 13, 19, 25, 65, 95, 107, 247, 325, 475, 535, 1235, 1391, 2033, 2675, 6175, 6955, 10165, 26429, 34775, 50825, 132145, 660725]

約数ペア:

[(1, 660725), (5, 132145), (13, 50825), (19, 34775), (25, 26429), (65, 10165), (95, 6955), (107, 6175), (247, 2675), (325, 2033), (475, 1391), (535, 1235)]