261375712

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2389}}^1$

素因数の和:2675

約数の個数: 48

約数和(自身を含む): 556506720

約数和(自身を除く): 295131008

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 263, 416, 526, 1052, 2104, 2389, 3419, 4208, 4778, 6838, 8416, 9556, 13676, 19112, 27352, 31057, 38224, 54704, 62114, 76448, 109408, 124228, 248456, 496912, 628307, 993824, 1256614, 2513228, 5026456, 8167991, 10052912, 16335982, 20105824, 32671964, 65343928, 130687856, 261375712]

約数ペア:

[(1, 261375712), (2, 130687856), (4, 65343928), (8, 32671964), (13, 20105824), (16, 16335982), (26, 10052912), (32, 8167991), (52, 5026456), (104, 2513228), (208, 1256614), (263, 993824), (416, 628307), (526, 496912), (1052, 248456), (2104, 124228), (2389, 109408), (3419, 76448), (4208, 62114), (4778, 54704), (6838, 38224), (8416, 31057), (9556, 27352), (13676, 19112)]