28305497090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217734593}}^1$

素因数の和:217734613

約数の個数: 16

約数和(自身を含む): 54869117688

約数和(自身を除く): 26563620598

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 217734593, 435469186, 1088672965, 2177345930, 2830549709, 5661099418, 14152748545, 28305497090]

約数ペア:

[(1, 28305497090), (2, 14152748545), (5, 5661099418), (10, 2830549709), (13, 2177345930), (26, 1088672965), (65, 435469186), (130, 217734593)]