12857564157

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{23687}}^1$

素因数の和:23905

約数の個数: 32

約数和(自身を含む): 18419788800

約数和(自身を除く): 5562224643

約数列:

[1, 3, 19, 57, 89, 107, 267, 321, 1691, 2033, 5073, 6099, 9523, 23687, 28569, 71061, 180937, 450053, 542811, 1350159, 2108143, 2534509, 6324429, 7603527, 40054717, 48155671, 120164151, 144467013, 225571301, 676713903, 4285854719, 12857564157]

約数ペア:

[(1, 12857564157), (3, 4285854719), (19, 676713903), (57, 225571301), (89, 144467013), (107, 120164151), (267, 48155671), (321, 40054717), (1691, 7603527), (2033, 6324429), (5073, 2534509), (6099, 2108143), (9523, 1350159), (23687, 542811), (28569, 450053), (71061, 180937)]