6991556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 15240960

約数和(自身を除く): 8249404

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 719, 748, 884, 1438, 2431, 2876, 4862, 7909, 9347, 9724, 12223, 15818, 18694, 24446, 31636, 37388, 48892, 102817, 134453, 158899, 205634, 268906, 317798, 411268, 537812, 635596, 1747889, 3495778, 6991556]

約数ペア:

[(1, 6991556), (2, 3495778), (4, 1747889), (11, 635596), (13, 537812), (17, 411268), (22, 317798), (26, 268906), (34, 205634), (44, 158899), (52, 134453), (68, 102817), (143, 48892), (187, 37388), (221, 31636), (286, 24446), (374, 18694), (442, 15818), (572, 12223), (719, 9724), (748, 9347), (884, 7909), (1438, 4862), (2431, 2876)]