51172975

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 77995008

約数和(自身を除く): 26822033

約数列:

[1, 5, 7, 17, 25, 35, 85, 103, 119, 167, 175, 425, 515, 595, 721, 835, 1169, 1751, 2575, 2839, 2975, 3605, 4175, 5845, 8755, 12257, 14195, 17201, 18025, 19873, 29225, 43775, 61285, 70975, 86005, 99365, 120407, 292417, 306425, 430025, 496825, 602035, 1462085, 2046919, 3010175, 7310425, 10234595, 51172975]

約数ペア:

[(1, 51172975), (5, 10234595), (7, 7310425), (17, 3010175), (25, 2046919), (35, 1462085), (85, 602035), (103, 496825), (119, 430025), (167, 306425), (175, 292417), (425, 120407), (515, 99365), (595, 86005), (721, 70975), (835, 61285), (1169, 43775), (1751, 29225), (2575, 19873), (2839, 18025), (2975, 17201), (3605, 14195), (4175, 12257), (5845, 8755)]