16970125

素因数分解:

$5^3\times {\mathrm{349}}^1\times {\mathrm{389}}^1$

素因数の和:753

約数の個数: 16

約数和(自身を含む): 21294000

約数和(自身を除く): 4323875

約数列:

[1, 5, 25, 125, 349, 389, 1745, 1945, 8725, 9725, 43625, 48625, 135761, 678805, 3394025, 16970125]

約数ペア:

[(1, 16970125), (5, 3394025), (25, 678805), (125, 135761), (349, 48625), (389, 43625), (1745, 9725), (1945, 8725)]