291239780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1120153}}^1$

素因数の和:1120175

約数の個数: 24

約数和(自身を含む): 658650552

約数和(自身を除く): 367410772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1120153, 2240306, 4480612, 5600765, 11201530, 14561989, 22403060, 29123978, 58247956, 72809945, 145619890, 291239780]

約数ペア:

[(1, 291239780), (2, 145619890), (4, 72809945), (5, 58247956), (10, 29123978), (13, 22403060), (20, 14561989), (26, 11201530), (52, 5600765), (65, 4480612), (130, 2240306), (260, 1120153)]