388936916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{15461}}^1$

素因数の和:15815

約数の個数: 24

約数和(自身を含む): 718673760

約数和(自身を除く): 329736844

約数列:

[1, 2, 4, 19, 38, 76, 331, 662, 1324, 6289, 12578, 15461, 25156, 30922, 61844, 293759, 587518, 1175036, 5117591, 10235182, 20470364, 97234229, 194468458, 388936916]

約数ペア:

[(1, 388936916), (2, 194468458), (4, 97234229), (19, 20470364), (38, 10235182), (76, 5117591), (331, 1175036), (662, 587518), (1324, 293759), (6289, 61844), (12578, 30922), (15461, 25156)]