989665825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{56311}}^1$

素因数の和:56377

約数の個数: 24

約数和(自身を含む): 1326710720

約数和(自身を除く): 337044895

約数列:

[1, 5, 19, 25, 37, 95, 185, 475, 703, 925, 3515, 17575, 56311, 281555, 1069909, 1407775, 2083507, 5349545, 10417535, 26747725, 39586633, 52087675, 197933165, 989665825]

約数ペア:

[(1, 989665825), (5, 197933165), (19, 52087675), (25, 39586633), (37, 26747725), (95, 10417535), (185, 5349545), (475, 2083507), (703, 1407775), (925, 1069909), (3515, 281555), (17575, 56311)]