866879416

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{421}}^1\times {\mathrm{1523}}^1$

素因数の和:1976

約数の個数: 48

約数和(自身を含む): 1765386360

約数和(自身を除く): 898506944

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 421, 676, 842, 1352, 1523, 1684, 3046, 3368, 5473, 6092, 10946, 12184, 19799, 21892, 39598, 43784, 71149, 79196, 142298, 158392, 257387, 284596, 514774, 569192, 641183, 1029548, 1282366, 2059096, 2564732, 5129464, 8335379, 16670758, 33341516, 66683032, 108359927, 216719854, 433439708, 866879416]

約数ペア:

[(1, 866879416), (2, 433439708), (4, 216719854), (8, 108359927), (13, 66683032), (26, 33341516), (52, 16670758), (104, 8335379), (169, 5129464), (338, 2564732), (421, 2059096), (676, 1282366), (842, 1029548), (1352, 641183), (1523, 569192), (1684, 514774), (3046, 284596), (3368, 257387), (5473, 158392), (6092, 142298), (10946, 79196), (12184, 71149), (19799, 43784), (21892, 39598)]