1919225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{997}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 2970048

約数和(自身を除く): 1050823

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 997, 1925, 4985, 6979, 10967, 24925, 34895, 54835, 76769, 174475, 274175, 383845, 1919225]

約数ペア:

[(1, 1919225), (5, 383845), (7, 274175), (11, 174475), (25, 76769), (35, 54835), (55, 34895), (77, 24925), (175, 10967), (275, 6979), (385, 4985), (997, 1925)]