3980686

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 24

約数和(自身を含む): 6498576

約数和(自身を除く): 2517890

約数列:

[1, 2, 17, 34, 71, 97, 142, 194, 289, 578, 1207, 1649, 2414, 3298, 6887, 13774, 20519, 28033, 41038, 56066, 117079, 234158, 1990343, 3980686]

約数ペア:

[(1, 3980686), (2, 1990343), (17, 234158), (34, 117079), (71, 56066), (97, 41038), (142, 28033), (194, 20519), (289, 13774), (578, 6887), (1207, 3298), (1649, 2414)]