198677759

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 252274176

約数和(自身を除く): 53596417

約数列:

[1, 7, 17, 41, 43, 119, 287, 301, 697, 731, 947, 1763, 4879, 5117, 6629, 12341, 16099, 29971, 38827, 40721, 112693, 209797, 271789, 285047, 660059, 692257, 1669561, 4620413, 4845799, 11686927, 28382537, 198677759]

約数ペア:

[(1, 198677759), (7, 28382537), (17, 11686927), (41, 4845799), (43, 4620413), (119, 1669561), (287, 692257), (301, 660059), (697, 285047), (731, 271789), (947, 209797), (1763, 112693), (4879, 40721), (5117, 38827), (6629, 29971), (12341, 16099)]