12809678

素因数分解:

$2^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 22809600

約数和(自身を除く): 9999922

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 263, 343, 497, 526, 686, 994, 1841, 3479, 3682, 6958, 12887, 18673, 24353, 25774, 37346, 48706, 90209, 130711, 180418, 261422, 914977, 1829954, 6404839, 12809678]

約数ペア:

[(1, 12809678), (2, 6404839), (7, 1829954), (14, 914977), (49, 261422), (71, 180418), (98, 130711), (142, 90209), (263, 48706), (343, 37346), (497, 25774), (526, 24353), (686, 18673), (994, 12887), (1841, 6958), (3479, 3682)]