28238301784

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{71293}}^1$

素因数の和:71960

約数の個数: 64

約数和(自身を含む): 66115203840

約数和(自身を除く): 37876902056

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 643, 1286, 2572, 4501, 5144, 7073, 9002, 14146, 18004, 28292, 36008, 49511, 56584, 71293, 99022, 142586, 198044, 285172, 396088, 499051, 570344, 784223, 998102, 1568446, 1996204, 3136892, 3992408, 5489561, 6273784, 10979122, 21958244, 43916488, 45841399, 91682798, 183365596, 320889793, 366731192, 504255389, 641779586, 1008510778, 1283559172, 2017021556, 2567118344, 3529787723, 4034043112, 7059575446, 14119150892, 28238301784]

約数ペア:

[(1, 28238301784), (2, 14119150892), (4, 7059575446), (7, 4034043112), (8, 3529787723), (11, 2567118344), (14, 2017021556), (22, 1283559172), (28, 1008510778), (44, 641779586), (56, 504255389), (77, 366731192), (88, 320889793), (154, 183365596), (308, 91682798), (616, 45841399), (643, 43916488), (1286, 21958244), (2572, 10979122), (4501, 6273784), (5144, 5489561), (7073, 3992408), (9002, 3136892), (14146, 1996204), (18004, 1568446), (28292, 998102), (36008, 784223), (49511, 570344), (56584, 499051), (71293, 396088), (99022, 285172), (142586, 198044)]