389878678

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{4289}}^1$

素因数の和:4492

約数の個数: 32

約数和(自身を含む): 688596480

約数和(自身を除く): 298717802

約数列:

[1, 2, 7, 14, 43, 86, 151, 301, 302, 602, 1057, 2114, 4289, 6493, 8578, 12986, 30023, 45451, 60046, 90902, 184427, 368854, 647639, 1290989, 1295278, 2581978, 4533473, 9066946, 27848477, 55696954, 194939339, 389878678]

約数ペア:

[(1, 389878678), (2, 194939339), (7, 55696954), (14, 27848477), (43, 9066946), (86, 4533473), (151, 2581978), (301, 1295278), (302, 1290989), (602, 647639), (1057, 368854), (2114, 184427), (4289, 90902), (6493, 60046), (8578, 45451), (12986, 30023)]