1390402

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1009}}^1$

素因数の和:1077

約数の個数: 16

約数和(自身を含む): 2290680

約数和(自身を除く): 900278

約数列:

[1, 2, 13, 26, 53, 106, 689, 1009, 1378, 2018, 13117, 26234, 53477, 106954, 695201, 1390402]

約数ペア:

[(1, 1390402), (2, 695201), (13, 106954), (26, 53477), (53, 26234), (106, 13117), (689, 2018), (1009, 1378)]