221864797

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{739}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 282437280

約数和(自身を除く): 60572483

約数列:

[1, 7, 11, 49, 77, 539, 557, 739, 3899, 5173, 6127, 8129, 27293, 36211, 42889, 56903, 300223, 398321, 411623, 2881361, 4527853, 20169527, 31694971, 221864797]

約数ペア:

[(1, 221864797), (7, 31694971), (11, 20169527), (49, 4527853), (77, 2881361), (539, 411623), (557, 398321), (739, 300223), (3899, 56903), (5173, 42889), (6127, 36211), (8129, 27293)]