138211668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{548459}}^1$

素因数の和:548476

約数の個数: 36

約数和(自身を含む): 399278880

約数和(自身を除く): 261067212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 548459, 1096918, 1645377, 2193836, 3290754, 3839213, 4936131, 6581508, 7678426, 9872262, 11517639, 15356852, 19744524, 23035278, 34552917, 46070556, 69105834, 138211668]

約数ペア:

[(1, 138211668), (2, 69105834), (3, 46070556), (4, 34552917), (6, 23035278), (7, 19744524), (9, 15356852), (12, 11517639), (14, 9872262), (18, 7678426), (21, 6581508), (28, 4936131), (36, 3839213), (42, 3290754), (63, 2193836), (84, 1645377), (126, 1096918), (252, 548459)]