81438484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{11047}}^1$

素因数の和:11167

約数の個数: 24

約数和(自身を含む): 151578560

約数和(自身を除く): 70140076

約数列:

[1, 2, 4, 19, 38, 76, 97, 194, 388, 1843, 3686, 7372, 11047, 22094, 44188, 209893, 419786, 839572, 1071559, 2143118, 4286236, 20359621, 40719242, 81438484]

約数ペア:

[(1, 81438484), (2, 40719242), (4, 20359621), (19, 4286236), (38, 2143118), (76, 1071559), (97, 839572), (194, 419786), (388, 209893), (1843, 44188), (3686, 22094), (7372, 11047)]