128541455

素因数分解:

$5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{4643}}^1$

素因数の和:4775

約数の個数: 24

約数和(自身を含む): 181060272

約数和(自身を除く): 52518817

約数列:

[1, 5, 7, 35, 49, 113, 245, 565, 791, 3955, 4643, 5537, 23215, 27685, 32501, 162505, 227507, 524659, 1137535, 2623295, 3672613, 18363065, 25708291, 128541455]

約数ペア:

[(1, 128541455), (5, 25708291), (7, 18363065), (35, 3672613), (49, 2623295), (113, 1137535), (245, 524659), (565, 227507), (791, 162505), (3955, 32501), (4643, 27685), (5537, 23215)]