127920005549

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{13546543}}^1$

素因数の和:13546640

約数の個数: 16

約数和(自身を含む): 156056186880

約数和(自身を除く): 28136181331

約数列:

[1, 7, 19, 71, 133, 497, 1349, 9443, 13546543, 94825801, 257384317, 961804553, 1801690219, 6732631871, 18274286507, 127920005549]

約数ペア:

[(1, 127920005549), (7, 18274286507), (19, 6732631871), (71, 1801690219), (133, 961804553), (497, 257384317), (1349, 94825801), (9443, 13546543)]