12890488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 28848960

約数和(自身を除く): 15958472

約数列:

[1, 2, 4, 8, 13, 17, 23, 26, 34, 46, 52, 68, 92, 104, 136, 184, 221, 299, 317, 391, 442, 598, 634, 782, 884, 1196, 1268, 1564, 1768, 2392, 2536, 3128, 4121, 5083, 5389, 7291, 8242, 10166, 10778, 14582, 16484, 20332, 21556, 29164, 32968, 40664, 43112, 58328, 70057, 94783, 123947, 140114, 189566, 247894, 280228, 379132, 495788, 560456, 758264, 991576, 1611311, 3222622, 6445244, 12890488]

約数ペア:

[(1, 12890488), (2, 6445244), (4, 3222622), (8, 1611311), (13, 991576), (17, 758264), (23, 560456), (26, 495788), (34, 379132), (46, 280228), (52, 247894), (68, 189566), (92, 140114), (104, 123947), (136, 94783), (184, 70057), (221, 58328), (299, 43112), (317, 40664), (391, 32968), (442, 29164), (598, 21556), (634, 20332), (782, 16484), (884, 14582), (1196, 10778), (1268, 10166), (1564, 8242), (1768, 7291), (2392, 5389), (2536, 5083), (3128, 4121)]