13321338

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 27418176

約数和(自身を除く): 14096838

約数列:

[1, 2, 3, 6, 53, 106, 159, 163, 257, 318, 326, 489, 514, 771, 978, 1542, 8639, 13621, 17278, 25917, 27242, 40863, 41891, 51834, 81726, 83782, 125673, 251346, 2220223, 4440446, 6660669, 13321338]

約数ペア:

[(1, 13321338), (2, 6660669), (3, 4440446), (6, 2220223), (53, 251346), (106, 125673), (159, 83782), (163, 81726), (257, 51834), (318, 41891), (326, 40863), (489, 27242), (514, 25917), (771, 17278), (978, 13621), (1542, 8639)]