390824

素因数分解:

$2^3\times 7^2\times {\mathrm{997}}^1$

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 853290

約数和(自身を除く): 462466

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 997, 1994, 3988, 6979, 7976, 13958, 27916, 48853, 55832, 97706, 195412, 390824]

約数ペア:

[(1, 390824), (2, 195412), (4, 97706), (7, 55832), (8, 48853), (14, 27916), (28, 13958), (49, 7976), (56, 6979), (98, 3988), (196, 1994), (392, 997)]