389213138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{276823}}^1$

素因数の和:276881

約数の個数: 16

約数和(自身を含む): 631158720

約数和(自身を除く): 241945582

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 276823, 553646, 5259637, 10242451, 10519274, 20484902, 194606569, 389213138]

約数ペア:

[(1, 389213138), (2, 194606569), (19, 20484902), (37, 10519274), (38, 10242451), (74, 5259637), (703, 553646), (1406, 276823)]