678907528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{123169}}^1$

素因数の和:123241

約数の個数: 32

約数和(自身を含む): 1396747800

約数和(自身を除く): 717840272

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 123169, 246338, 492676, 985352, 1601197, 3202394, 6404788, 6527957, 12809576, 13055914, 26111828, 52223656, 84863441, 169726882, 339453764, 678907528]

約数ペア:

[(1, 678907528), (2, 339453764), (4, 169726882), (8, 84863441), (13, 52223656), (26, 26111828), (52, 13055914), (53, 12809576), (104, 6527957), (106, 6404788), (212, 3202394), (424, 1601197), (689, 985352), (1378, 492676), (2756, 246338), (5512, 123169)]