256848718

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{1289}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 452263680

約数和(自身を除く): 195414962

約数列:

[1, 2, 7, 14, 43, 86, 301, 331, 602, 662, 1289, 2317, 2578, 4634, 9023, 14233, 18046, 28466, 55427, 99631, 110854, 199262, 387989, 426659, 775978, 853318, 2986613, 5973226, 18346337, 36692674, 128424359, 256848718]

約数ペア:

[(1, 256848718), (2, 128424359), (7, 36692674), (14, 18346337), (43, 5973226), (86, 2986613), (301, 853318), (331, 775978), (602, 426659), (662, 387989), (1289, 199262), (2317, 110854), (2578, 99631), (4634, 55427), (9023, 28466), (14233, 18046)]