2545738972

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{2557}}^1$

素因数の和:2667

約数の個数: 72

約数和(自身を含む): 5405320032

約数和(自身を除く): 2859581060

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 868, 961, 1036, 1147, 1922, 2294, 2557, 3844, 4588, 5114, 6727, 8029, 10228, 13454, 16058, 17899, 26908, 32116, 35557, 35798, 71114, 71596, 79267, 94609, 142228, 158534, 189218, 248899, 317068, 378436, 497798, 554869, 662263, 995596, 1109738, 1324526, 2219476, 2457277, 2649052, 2932879, 4914554, 5865758, 9829108, 11731516, 17200939, 20530153, 34401878, 41060306, 68803756, 82120612, 90919249, 181838498, 363676996, 636434743, 1272869486, 2545738972]

約数ペア:

[(1, 2545738972), (2, 1272869486), (4, 636434743), (7, 363676996), (14, 181838498), (28, 90919249), (31, 82120612), (37, 68803756), (62, 41060306), (74, 34401878), (124, 20530153), (148, 17200939), (217, 11731516), (259, 9829108), (434, 5865758), (518, 4914554), (868, 2932879), (961, 2649052), (1036, 2457277), (1147, 2219476), (1922, 1324526), (2294, 1109738), (2557, 995596), (3844, 662263), (4588, 554869), (5114, 497798), (6727, 378436), (8029, 317068), (10228, 248899), (13454, 189218), (16058, 158534), (17899, 142228), (26908, 94609), (32116, 79267), (35557, 71596), (35798, 71114)]