81365758

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1\times {\mathrm{1381}}^1$

素因数の和:1803

約数の個数: 16

約数和(自身を含む): 123882480

約数和(自身を除く): 42516722

約数列:

[1, 2, 89, 178, 331, 662, 1381, 2762, 29459, 58918, 122909, 245818, 457111, 914222, 40682879, 81365758]

約数ペア:

[(1, 81365758), (2, 40682879), (89, 914222), (178, 457111), (331, 245818), (662, 122909), (1381, 58918), (2762, 29459)]