16864267

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 21888000

約数和(自身を除く): 5023733

約数列:

[1, 7, 19, 23, 37, 133, 149, 161, 259, 437, 703, 851, 1043, 2831, 3059, 3427, 4921, 5513, 5957, 16169, 19817, 23989, 38591, 65113, 104747, 113183, 126799, 455791, 733229, 887593, 2409181, 16864267]

約数ペア:

[(1, 16864267), (7, 2409181), (19, 887593), (23, 733229), (37, 455791), (133, 126799), (149, 113183), (161, 104747), (259, 65113), (437, 38591), (703, 23989), (851, 19817), (1043, 16169), (2831, 5957), (3059, 5513), (3427, 4921)]