12728738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 21928320

約数和(自身を除く): 9199582

約数列:

[1, 2, 11, 22, 29, 58, 71, 142, 281, 319, 562, 638, 781, 1562, 2059, 3091, 4118, 6182, 8149, 16298, 19951, 22649, 39902, 45298, 89639, 179278, 219461, 438922, 578579, 1157158, 6364369, 12728738]

約数ペア:

[(1, 12728738), (2, 6364369), (11, 1157158), (22, 578579), (29, 438922), (58, 219461), (71, 179278), (142, 89639), (281, 45298), (319, 39902), (562, 22649), (638, 19951), (781, 16298), (1562, 8149), (2059, 6182), (3091, 4118)]