8401855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 12741120

約数和(自身を除く): 4339265

約数列:

[1, 5, 7, 11, 35, 55, 77, 139, 157, 385, 695, 785, 973, 1099, 1529, 1727, 4865, 5495, 7645, 8635, 10703, 12089, 21823, 53515, 60445, 109115, 152761, 240053, 763805, 1200265, 1680371, 8401855]

約数ペア:

[(1, 8401855), (5, 1680371), (7, 1200265), (11, 763805), (35, 240053), (55, 152761), (77, 109115), (139, 60445), (157, 53515), (385, 21823), (695, 12089), (785, 10703), (973, 8635), (1099, 7645), (1529, 5495), (1727, 4865)]