208518786

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{20431}}^1$

素因数の和:20458

約数の個数: 56

約数和(自身を含む): 535972224

約数和(自身を除く): 327453438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 729, 1134, 1458, 1701, 3402, 5103, 10206, 20431, 40862, 61293, 122586, 143017, 183879, 286034, 367758, 429051, 551637, 858102, 1103274, 1287153, 1654911, 2574306, 3309822, 3861459, 4964733, 7722918, 9929466, 11584377, 14894199, 23168754, 29788398, 34753131, 69506262, 104259393, 208518786]

約数ペア:

[(1, 208518786), (2, 104259393), (3, 69506262), (6, 34753131), (7, 29788398), (9, 23168754), (14, 14894199), (18, 11584377), (21, 9929466), (27, 7722918), (42, 4964733), (54, 3861459), (63, 3309822), (81, 2574306), (126, 1654911), (162, 1287153), (189, 1103274), (243, 858102), (378, 551637), (486, 429051), (567, 367758), (729, 286034), (1134, 183879), (1458, 143017), (1701, 122586), (3402, 61293), (5103, 40862), (10206, 20431)]