388991999

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1\times {\mathrm{1499}}^1$

素因数の和:2302

約数の個数: 16

約数和(自身を含む): 438912000

約数和(自身を除く): 49920001

約数列:

[1, 11, 31, 341, 761, 1499, 8371, 16489, 23591, 46469, 259501, 511159, 1140739, 12548129, 35362909, 388991999]

約数ペア:

[(1, 388991999), (11, 35362909), (31, 12548129), (341, 1140739), (761, 511159), (1499, 259501), (8371, 46469), (16489, 23591)]