28987714

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{5581}}^1$

素因数の和:5650

約数の個数: 24

約数和(自身を含む): 51544188

約数和(自身を除く): 22556474

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 5194, 5581, 11162, 39067, 78134, 273469, 295793, 546938, 591586, 2070551, 4141102, 14493857, 28987714]

約数ペア:

[(1, 28987714), (2, 14493857), (7, 4141102), (14, 2070551), (49, 591586), (53, 546938), (98, 295793), (106, 273469), (371, 78134), (742, 39067), (2597, 11162), (5194, 5581)]