259969892

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 573592824

約数和(自身を除く): 313622932

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 257, 364, 397, 514, 637, 794, 1028, 1274, 1588, 1799, 2548, 2779, 3341, 3598, 5161, 5558, 6682, 7196, 10322, 11116, 12593, 13364, 19453, 20644, 23387, 25186, 36127, 38906, 46774, 50372, 72254, 77812, 93548, 102029, 144508, 163709, 204058, 252889, 327418, 408116, 505778, 654836, 714203, 1011556, 1326377, 1428406, 2652754, 2856812, 4999421, 5305508, 9284639, 9998842, 18569278, 19997684, 37138556, 64992473, 129984946, 259969892]

約数ペア:

[(1, 259969892), (2, 129984946), (4, 64992473), (7, 37138556), (13, 19997684), (14, 18569278), (26, 9998842), (28, 9284639), (49, 5305508), (52, 4999421), (91, 2856812), (98, 2652754), (182, 1428406), (196, 1326377), (257, 1011556), (364, 714203), (397, 654836), (514, 505778), (637, 408116), (794, 327418), (1028, 252889), (1274, 204058), (1588, 163709), (1799, 144508), (2548, 102029), (2779, 93548), (3341, 77812), (3598, 72254), (5161, 50372), (5558, 46774), (6682, 38906), (7196, 36127), (10322, 25186), (11116, 23387), (12593, 20644), (13364, 19453)]