81856285868

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1211537}}^1$

素因数の和:1211694

約数の個数: 48

約数和(自身を含む): 173686087680

約数和(自身を除く): 91829801812

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 127, 133, 254, 266, 508, 532, 889, 1778, 2413, 3556, 4826, 9652, 16891, 33782, 67564, 1211537, 2423074, 4846148, 8480759, 16961518, 23019203, 33923036, 46038406, 92076812, 153865199, 161134421, 307730398, 322268842, 615460796, 644537684, 1077056393, 2154112786, 2923438781, 4308225572, 5846877562, 11693755124, 20464071467, 40928142934, 81856285868]

約数ペア:

[(1, 81856285868), (2, 40928142934), (4, 20464071467), (7, 11693755124), (14, 5846877562), (19, 4308225572), (28, 2923438781), (38, 2154112786), (76, 1077056393), (127, 644537684), (133, 615460796), (254, 322268842), (266, 307730398), (508, 161134421), (532, 153865199), (889, 92076812), (1778, 46038406), (2413, 33923036), (3556, 23019203), (4826, 16961518), (9652, 8480759), (16891, 4846148), (33782, 2423074), (67564, 1211537)]