28009808

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{23981}}^1$

素因数の和:24062

約数の個数: 20

約数和(自身を含む): 55014708

約数和(自身を除く): 27004900

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 23981, 47962, 95924, 191848, 383696, 1750613, 3501226, 7002452, 14004904, 28009808]

約数ペア:

[(1, 28009808), (2, 14004904), (4, 7002452), (8, 3501226), (16, 1750613), (73, 383696), (146, 191848), (292, 95924), (584, 47962), (1168, 23981)]