1987825

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 2902592

約数和(自身を除く): 914767

約数列:

[1, 5, 7, 25, 35, 37, 175, 185, 259, 307, 925, 1295, 1535, 2149, 6475, 7675, 10745, 11359, 53725, 56795, 79513, 283975, 397565, 1987825]

約数ペア:

[(1, 1987825), (5, 397565), (7, 283975), (25, 79513), (35, 56795), (37, 53725), (175, 11359), (185, 10745), (259, 7675), (307, 6475), (925, 2149), (1295, 1535)]