217614875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{102407}}^1$

素因数の和:102439

約数の個数: 16

約数和(自身を含む): 287561664

約数和(自身を除く): 69946789

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 102407, 512035, 1740919, 2560175, 8704595, 12800875, 43522975, 217614875]

約数ペア:

[(1, 217614875), (5, 43522975), (17, 12800875), (25, 8704595), (85, 2560175), (125, 1740919), (425, 512035), (2125, 102407)]