12807278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 21980160

約数和(自身を除く): 9172882

約数列:

[1, 2, 11, 22, 31, 62, 89, 178, 211, 341, 422, 682, 979, 1958, 2321, 2759, 4642, 5518, 6541, 13082, 18779, 30349, 37558, 60698, 71951, 143902, 206569, 413138, 582149, 1164298, 6403639, 12807278]

約数ペア:

[(1, 12807278), (2, 6403639), (11, 1164298), (22, 582149), (31, 413138), (62, 206569), (89, 143902), (178, 71951), (211, 60698), (341, 37558), (422, 30349), (682, 18779), (979, 13082), (1958, 6541), (2321, 5518), (2759, 4642)]