128979508

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{58309}}^1$

素因数の和:58399

約数の個数: 24

約数和(自身を含む): 261228800

約数和(自身を除く): 132249292

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 58309, 116618, 233236, 408163, 816326, 1632652, 4606411, 9212822, 18425644, 32244877, 64489754, 128979508]

約数ペア:

[(1, 128979508), (2, 64489754), (4, 32244877), (7, 18425644), (14, 9212822), (28, 4606411), (79, 1632652), (158, 816326), (316, 408163), (553, 233236), (1106, 116618), (2212, 58309)]