8220982

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 16240896

約数和(自身を除く): 8019914

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 121, 154, 161, 211, 242, 253, 322, 422, 506, 847, 1477, 1694, 1771, 2321, 2783, 2954, 3542, 4642, 4853, 5566, 9706, 16247, 19481, 25531, 32494, 33971, 38962, 51062, 53383, 67942, 106766, 178717, 357434, 373681, 587213, 747362, 1174426, 4110491, 8220982]

約数ペア:

[(1, 8220982), (2, 4110491), (7, 1174426), (11, 747362), (14, 587213), (22, 373681), (23, 357434), (46, 178717), (77, 106766), (121, 67942), (154, 53383), (161, 51062), (211, 38962), (242, 33971), (253, 32494), (322, 25531), (422, 19481), (506, 16247), (847, 9706), (1477, 5566), (1694, 4853), (1771, 4642), (2321, 3542), (2783, 2954)]