216427715

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{883}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 305510400

約数和(自身を除く): 89082685

約数列:

[1, 5, 7, 35, 47, 149, 235, 329, 745, 883, 1043, 1645, 4415, 5215, 6181, 7003, 30905, 35015, 41501, 49021, 131567, 207505, 245105, 290507, 657835, 920969, 1452535, 4604845, 6183649, 30918245, 43285543, 216427715]

約数ペア:

[(1, 216427715), (5, 43285543), (7, 30918245), (35, 6183649), (47, 4604845), (149, 1452535), (235, 920969), (329, 657835), (745, 290507), (883, 245105), (1043, 207505), (1645, 131567), (4415, 49021), (5215, 41501), (6181, 35015), (7003, 30905)]