1389788725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{225067}}^1$

素因数の和:225109

約数の個数: 24

約数和(自身を含む): 1953590240

約数和(自身を除く): 563801515

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 225067, 1125335, 2925871, 4276273, 5626675, 14629355, 21381365, 55591549, 73146775, 106906825, 277957745, 1389788725]

約数ペア:

[(1, 1389788725), (5, 277957745), (13, 106906825), (19, 73146775), (25, 55591549), (65, 21381365), (95, 14629355), (247, 5626675), (325, 4276273), (475, 2925871), (1235, 1125335), (6175, 225067)]