128747668

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{33563}}^1$

素因数の和:33711

約数の個数: 24

約数和(自身を含む): 259382592

約数和(自身を除く): 130634924

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 33563, 67126, 134252, 234941, 469882, 939764, 4598131, 9196262, 18392524, 32186917, 64373834, 128747668]

約数ペア:

[(1, 128747668), (2, 64373834), (4, 32186917), (7, 18392524), (14, 9196262), (28, 4598131), (137, 939764), (274, 469882), (548, 234941), (959, 134252), (1918, 67126), (3836, 33563)]