389628642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{7229}}^1$

素因数の和:7938

約数の個数: 32

約数和(自身を含む): 840530880

約数和(自身を除く): 450902238

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 691, 1382, 2073, 4146, 7229, 8983, 14458, 17966, 21687, 26949, 43374, 53898, 93977, 187954, 281931, 563862, 4995239, 9990478, 14985717, 29971434, 64938107, 129876214, 194814321, 389628642]

約数ペア:

[(1, 389628642), (2, 194814321), (3, 129876214), (6, 64938107), (13, 29971434), (26, 14985717), (39, 9990478), (78, 4995239), (691, 563862), (1382, 281931), (2073, 187954), (4146, 93977), (7229, 53898), (8983, 43374), (14458, 26949), (17966, 21687)]