291250871990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2240391323}}^1$

素因数の和:2240391343

約数の個数: 16

約数和(自身を含む): 564578613648

約数和(自身を除く): 273327741658

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2240391323, 4480782646, 11201956615, 22403913230, 29125087199, 58250174398, 145625435995, 291250871990]

約数ペア:

[(1, 291250871990), (2, 145625435995), (5, 58250174398), (10, 29125087199), (13, 22403913230), (26, 11201956615), (65, 4480782646), (130, 2240391323)]