389979235

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 505999872

約数和(自身を除く): 116020637

約数列:

[1, 5, 17, 83, 85, 167, 331, 415, 835, 1411, 1655, 2839, 5627, 7055, 13861, 14195, 27473, 28135, 55277, 69305, 137365, 235637, 276385, 467041, 939709, 1178185, 2335205, 4587991, 4698545, 22939955, 77995847, 389979235]

約数ペア:

[(1, 389979235), (5, 77995847), (17, 22939955), (83, 4698545), (85, 4587991), (167, 2335205), (331, 1178185), (415, 939709), (835, 467041), (1411, 276385), (1655, 235637), (2839, 137365), (5627, 69305), (7055, 55277), (13861, 28135), (14195, 27473)]