1820338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1389

約数の個数: 16

約数和(自身を含む): 2998296

約数和(自身を除く): 1177958

約数列:

[1, 2, 13, 26, 53, 106, 689, 1321, 1378, 2642, 17173, 34346, 70013, 140026, 910169, 1820338]

約数ペア:

[(1, 1820338), (2, 910169), (13, 140026), (26, 70013), (53, 34346), (106, 17173), (689, 2642), (1321, 1378)]