128140964

素因数分解:

$2^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{17401}}^1$

素因数の和:17675

約数の個数: 24

約数和(自身を含む): 257271168

約数和(自身を除く): 129130204

約数列:

[1, 2, 4, 7, 14, 28, 263, 526, 1052, 1841, 3682, 7364, 17401, 34802, 69604, 121807, 243614, 487228, 4576463, 9152926, 18305852, 32035241, 64070482, 128140964]

約数ペア:

[(1, 128140964), (2, 64070482), (4, 32035241), (7, 18305852), (14, 9152926), (28, 4576463), (263, 487228), (526, 243614), (1052, 121807), (1841, 69604), (3682, 34802), (7364, 17401)]