81269648

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{18743}}^1$

素因数の和:19022

約数の個数: 20

約数和(自身を含む): 158049408

約数和(自身を除く): 76779760

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 18743, 37486, 74972, 149944, 299888, 5079353, 10158706, 20317412, 40634824, 81269648]

約数ペア:

[(1, 81269648), (2, 40634824), (4, 20317412), (8, 10158706), (16, 5079353), (271, 299888), (542, 149944), (1084, 74972), (2168, 37486), (4336, 18743)]