1901795

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{811}}^1$

素因数の和:890

約数の個数: 16

約数和(自身を含む): 2650368

約数和(自身を除く): 748573

約数列:

[1, 5, 7, 35, 67, 335, 469, 811, 2345, 4055, 5677, 28385, 54337, 271685, 380359, 1901795]

約数ペア:

[(1, 1901795), (5, 380359), (7, 271685), (35, 54337), (67, 28385), (335, 5677), (469, 4055), (811, 2345)]