12945486536

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1\times {\mathrm{2341}}^1$

素因数の和:2994

約数の個数: 64

約数和(自身を含む): 26110583280

約数和(自身を除く): 13165096744

約数列:

[1, 2, 4, 8, 17, 34, 68, 73, 136, 146, 292, 557, 584, 1114, 1241, 2228, 2341, 2482, 4456, 4682, 4964, 9364, 9469, 9928, 18728, 18938, 37876, 39797, 40661, 75752, 79594, 81322, 159188, 162644, 170893, 318376, 325288, 341786, 683572, 691237, 1303937, 1367144, 1382474, 2607874, 2764948, 2905181, 5215748, 5529896, 5810362, 10431496, 11620724, 22166929, 23241448, 44333858, 88667716, 95187401, 177335432, 190374802, 380749604, 761499208, 1618185817, 3236371634, 6472743268, 12945486536]

約数ペア:

[(1, 12945486536), (2, 6472743268), (4, 3236371634), (8, 1618185817), (17, 761499208), (34, 380749604), (68, 190374802), (73, 177335432), (136, 95187401), (146, 88667716), (292, 44333858), (557, 23241448), (584, 22166929), (1114, 11620724), (1241, 10431496), (2228, 5810362), (2341, 5529896), (2482, 5215748), (4456, 2905181), (4682, 2764948), (4964, 2607874), (9364, 1382474), (9469, 1367144), (9928, 1303937), (18728, 691237), (18938, 683572), (37876, 341786), (39797, 325288), (40661, 318376), (75752, 170893), (79594, 162644), (81322, 159188)]