222780026

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{479}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 387072000

約数和(自身を除く): 164291974

約数列:

[1, 2, 7, 14, 139, 239, 278, 478, 479, 958, 973, 1673, 1946, 3346, 3353, 6706, 33221, 66442, 66581, 114481, 133162, 228962, 232547, 465094, 466067, 801367, 932134, 1602734, 15912859, 31825718, 111390013, 222780026]

約数ペア:

[(1, 222780026), (2, 111390013), (7, 31825718), (14, 15912859), (139, 1602734), (239, 932134), (278, 801367), (478, 466067), (479, 465094), (958, 232547), (973, 228962), (1673, 133162), (1946, 114481), (3346, 66581), (3353, 66442), (6706, 33221)]