221661076

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 484935360

約数和(自身を除く): 263274284

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 169, 182, 278, 337, 338, 364, 556, 674, 676, 973, 1183, 1348, 1807, 1946, 2359, 2366, 3614, 3892, 4381, 4718, 4732, 7228, 8762, 9436, 12649, 17524, 23491, 25298, 30667, 46843, 46982, 50596, 56953, 61334, 93686, 93964, 113906, 122668, 164437, 187372, 227812, 327901, 328874, 398671, 608959, 655802, 657748, 797342, 1217918, 1311604, 1594684, 2435836, 4262713, 7916467, 8525426, 15832934, 17050852, 31665868, 55415269, 110830538, 221661076]

約数ペア:

[(1, 221661076), (2, 110830538), (4, 55415269), (7, 31665868), (13, 17050852), (14, 15832934), (26, 8525426), (28, 7916467), (52, 4262713), (91, 2435836), (139, 1594684), (169, 1311604), (182, 1217918), (278, 797342), (337, 657748), (338, 655802), (364, 608959), (556, 398671), (674, 328874), (676, 327901), (973, 227812), (1183, 187372), (1348, 164437), (1807, 122668), (1946, 113906), (2359, 93964), (2366, 93686), (3614, 61334), (3892, 56953), (4381, 50596), (4718, 46982), (4732, 46843), (7228, 30667), (8762, 25298), (9436, 23491), (12649, 17524)]