280931986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{171929}}^1$

素因数の和:171993

約数の個数: 16

約数和(自身を含む): 453895200

約数和(自身を除く): 172963214

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 171929, 343858, 3266651, 6533302, 7392947, 14785894, 140465993, 280931986]

約数ペア:

[(1, 280931986), (2, 140465993), (19, 14785894), (38, 7392947), (43, 6533302), (86, 3266651), (817, 343858), (1634, 171929)]