128401242

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{207769}}^1$

素因数の和:207877

約数の個数: 16

約数和(自身を含む): 259296960

約数和(自身を除く): 130895718

約数列:

[1, 2, 3, 6, 103, 206, 309, 618, 207769, 415538, 623307, 1246614, 21400207, 42800414, 64200621, 128401242]

約数ペア:

[(1, 128401242), (2, 64200621), (3, 42800414), (6, 21400207), (103, 1246614), (206, 623307), (309, 415538), (618, 207769)]