2190202903

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{401651}}^1$

素因数の和:401718

約数の個数: 16

約数和(自身を含む): 2699101440

約数和(自身を除く): 508898537

約数列:

[1, 7, 19, 41, 133, 287, 779, 5453, 401651, 2811557, 7631369, 16467691, 53419583, 115273837, 312886129, 2190202903]

約数ペア:

[(1, 2190202903), (7, 312886129), (19, 115273837), (41, 53419583), (133, 16467691), (287, 7631369), (779, 2811557), (5453, 401651)]