161028455

素因数分解:

$5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{2339}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 225678960

約数和(自身を除く): 64650505

約数列:

[1, 5, 7, 35, 49, 245, 281, 1405, 1967, 2339, 9835, 11695, 13769, 16373, 68845, 81865, 114611, 573055, 657259, 3286295, 4600813, 23004065, 32205691, 161028455]

約数ペア:

[(1, 161028455), (5, 32205691), (7, 23004065), (35, 4600813), (49, 3286295), (245, 657259), (281, 573055), (1405, 114611), (1967, 81865), (2339, 68845), (9835, 16373), (11695, 13769)]