2720508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 7338240

約数和(自身を除く): 4617732

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 233, 278, 417, 466, 556, 699, 834, 932, 973, 1398, 1631, 1668, 1946, 2796, 2919, 3262, 3892, 4893, 5838, 6524, 9786, 11676, 19572, 32387, 64774, 97161, 129548, 194322, 226709, 388644, 453418, 680127, 906836, 1360254, 2720508]

約数ペア:

[(1, 2720508), (2, 1360254), (3, 906836), (4, 680127), (6, 453418), (7, 388644), (12, 226709), (14, 194322), (21, 129548), (28, 97161), (42, 64774), (84, 32387), (139, 19572), (233, 11676), (278, 9786), (417, 6524), (466, 5838), (556, 4893), (699, 3892), (834, 3262), (932, 2919), (973, 2796), (1398, 1946), (1631, 1668)]