1989925

素因数分解:

$5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 2874816

約数和(自身を除く): 884891

約数列:

[1, 5, 7, 25, 35, 83, 137, 175, 415, 581, 685, 959, 2075, 2905, 3425, 4795, 11371, 14525, 23975, 56855, 79597, 284275, 397985, 1989925]

約数ペア:

[(1, 1989925), (5, 397985), (7, 284275), (25, 79597), (35, 56855), (83, 23975), (137, 14525), (175, 11371), (415, 4795), (581, 3425), (685, 2905), (959, 2075)]