1261807484

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{354839}}^1$

素因数の和:354977

約数の個数: 24

約数和(自身を含む): 2543493120

約数和(自身を除く): 1281685636

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 354839, 709678, 1419356, 2483873, 4967746, 9935492, 45064553, 90129106, 180258212, 315451871, 630903742, 1261807484]

約数ペア:

[(1, 1261807484), (2, 630903742), (4, 315451871), (7, 180258212), (14, 90129106), (28, 45064553), (127, 9935492), (254, 4967746), (508, 2483873), (889, 1419356), (1778, 709678), (3556, 354839)]