644682

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{773}}^1$

素因数の和:917

約数の個数: 16

約数和(自身を含む): 1300320

約数和(自身を除く): 655638

約数列:

[1, 2, 3, 6, 139, 278, 417, 773, 834, 1546, 2319, 4638, 107447, 214894, 322341, 644682]

約数ペア:

[(1, 644682), (2, 322341), (3, 214894), (6, 107447), (139, 4638), (278, 2319), (417, 1546), (773, 834)]