128220398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{12451}}^1$

素因数の和:12743

約数の個数: 16

約数和(自身を含む): 203216640

約数和(自身を除く): 74996242

約数列:

[1, 2, 19, 38, 271, 542, 5149, 10298, 12451, 24902, 236569, 473138, 3374221, 6748442, 64110199, 128220398]

約数ペア:

[(1, 128220398), (2, 64110199), (19, 6748442), (38, 3374221), (271, 473138), (542, 236569), (5149, 24902), (10298, 12451)]