126976444

素因数分解:

$2^2\times 7^2\times {\mathrm{647839}}^1$

素因数の和:647857

約数の個数: 18

約数和(自身を含む): 258488160

約数和(自身を除く): 131511716

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 647839, 1295678, 2591356, 4534873, 9069746, 18139492, 31744111, 63488222, 126976444]

約数ペア:

[(1, 126976444), (2, 63488222), (4, 31744111), (7, 18139492), (14, 9069746), (28, 4534873), (49, 2591356), (98, 1295678), (196, 647839)]