81402468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2441}}^1$

素因数の和:2852

約数の個数: 48

約数和(自身を含む): 217709184

約数和(自身を除く): 136306716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 397, 794, 1191, 1588, 2382, 2441, 2779, 4764, 4882, 5558, 7323, 8337, 9764, 11116, 14646, 16674, 17087, 29292, 33348, 34174, 51261, 68348, 102522, 205044, 969077, 1938154, 2907231, 3876308, 5814462, 6783539, 11628924, 13567078, 20350617, 27134156, 40701234, 81402468]

約数ペア:

[(1, 81402468), (2, 40701234), (3, 27134156), (4, 20350617), (6, 13567078), (7, 11628924), (12, 6783539), (14, 5814462), (21, 3876308), (28, 2907231), (42, 1938154), (84, 969077), (397, 205044), (794, 102522), (1191, 68348), (1588, 51261), (2382, 34174), (2441, 33348), (2779, 29292), (4764, 17087), (4882, 16674), (5558, 14646), (7323, 11116), (8337, 9764)]