28166838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{670639}}^1$

素因数の和:670651

約数の個数: 16

約数和(自身を含む): 64381440

約数和(自身を除く): 36214602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 670639, 1341278, 2011917, 4023834, 4694473, 9388946, 14083419, 28166838]

約数ペア:

[(1, 28166838), (2, 14083419), (3, 9388946), (6, 4694473), (7, 4023834), (14, 2011917), (21, 1341278), (42, 670639)]