139402864

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{66509}}^1$

素因数の和:66648

約数の個数: 20

約数和(自身を含む): 272158920

約数和(自身を除く): 132756056

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 66509, 133018, 266036, 532072, 1064144, 8712679, 17425358, 34850716, 69701432, 139402864]

約数ペア:

[(1, 139402864), (2, 69701432), (4, 34850716), (8, 17425358), (16, 8712679), (131, 1064144), (262, 532072), (524, 266036), (1048, 133018), (2096, 66509)]