255817286

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 403099200

約数和(自身を除く): 147281914

約数列:

[1, 2, 41, 61, 82, 122, 199, 257, 398, 514, 2501, 5002, 8159, 10537, 12139, 15677, 16318, 21074, 24278, 31354, 51143, 102286, 497699, 642757, 995398, 1285514, 2096863, 3119723, 4193726, 6239446, 127908643, 255817286]

約数ペア:

[(1, 255817286), (2, 127908643), (41, 6239446), (61, 4193726), (82, 3119723), (122, 2096863), (199, 1285514), (257, 995398), (398, 642757), (514, 497699), (2501, 102286), (5002, 51143), (8159, 31354), (10537, 24278), (12139, 21074), (15677, 16318)]