12717628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 28030464

約数和(自身を除く): 15312836

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 157, 263, 308, 314, 526, 628, 1052, 1099, 1727, 1841, 2198, 2893, 3454, 3682, 4396, 5786, 6908, 7364, 11572, 12089, 20251, 24178, 40502, 41291, 48356, 81004, 82582, 165164, 289037, 454201, 578074, 908402, 1156148, 1816804, 3179407, 6358814, 12717628]

約数ペア:

[(1, 12717628), (2, 6358814), (4, 3179407), (7, 1816804), (11, 1156148), (14, 908402), (22, 578074), (28, 454201), (44, 289037), (77, 165164), (154, 82582), (157, 81004), (263, 48356), (308, 41291), (314, 40502), (526, 24178), (628, 20251), (1052, 12089), (1099, 11572), (1727, 7364), (1841, 6908), (2198, 5786), (2893, 4396), (3454, 3682)]