212489137

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4813}}^1$

素因数の和:4897

約数の個数: 24

約数和(自身を含む): 266714856

約数和(自身を除く): 54225719

約数列:

[1, 7, 17, 49, 53, 119, 371, 833, 901, 2597, 4813, 6307, 33691, 44149, 81821, 235837, 255089, 572747, 1785623, 4009229, 4336513, 12499361, 30355591, 212489137]

約数ペア:

[(1, 212489137), (7, 30355591), (17, 12499361), (49, 4336513), (53, 4009229), (119, 1785623), (371, 572747), (833, 255089), (901, 235837), (2597, 81821), (4813, 44149), (6307, 33691)]