280168994

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{1381}}^1$

素因数の和:1770

約数の個数: 32

約数和(自身を含む): 493274496

約数和(自身を除く): 213105502

約数列:

[1, 2, 7, 14, 43, 86, 301, 337, 602, 674, 1381, 2359, 2762, 4718, 9667, 14491, 19334, 28982, 59383, 101437, 118766, 202874, 415681, 465397, 831362, 930794, 3257779, 6515558, 20012071, 40024142, 140084497, 280168994]

約数ペア:

[(1, 280168994), (2, 140084497), (7, 40024142), (14, 20012071), (43, 6515558), (86, 3257779), (301, 930794), (337, 831362), (602, 465397), (674, 415681), (1381, 202874), (2359, 118766), (2762, 101437), (4718, 59383), (9667, 28982), (14491, 19334)]