398856868

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{503}}^1\times {\mathrm{1447}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 704979072

約数和(自身を除く): 306122204

約数列:

[1, 2, 4, 137, 274, 503, 548, 1006, 1447, 2012, 2894, 5788, 68911, 137822, 198239, 275644, 396478, 727841, 792956, 1455682, 2911364, 99714217, 199428434, 398856868]

約数ペア:

[(1, 398856868), (2, 199428434), (4, 99714217), (137, 2911364), (274, 1455682), (503, 792956), (548, 727841), (1006, 396478), (1447, 275644), (2012, 198239), (2894, 137822), (5788, 68911)]