28273877710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217491367}}^1$

素因数の和:217491387

約数の個数: 16

約数和(自身を含む): 54807824736

約数和(自身を除く): 26533947026

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 217491367, 434982734, 1087456835, 2174913670, 2827387771, 5654775542, 14136938855, 28273877710]

約数ペア:

[(1, 28273877710), (2, 14136938855), (5, 5654775542), (10, 2827387771), (13, 2174913670), (26, 1087456835), (65, 434982734), (130, 217491367)]