86890804

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21701}}^1$

素因数の和:21736

約数の個数: 48

約数和(自身を含む): 204172416

約数和(自身を除く): 117281612

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 21701, 43402, 86804, 151907, 238711, 282113, 303814, 477422, 564226, 607628, 954844, 1128452, 1670977, 1974791, 3103243, 3341954, 3949582, 6206486, 6683908, 7899164, 12412972, 21722701, 43445402, 86890804]

約数ペア:

[(1, 86890804), (2, 43445402), (4, 21722701), (7, 12412972), (11, 7899164), (13, 6683908), (14, 6206486), (22, 3949582), (26, 3341954), (28, 3103243), (44, 1974791), (52, 1670977), (77, 1128452), (91, 954844), (143, 607628), (154, 564226), (182, 477422), (286, 303814), (308, 282113), (364, 238711), (572, 151907), (1001, 86804), (2002, 43402), (4004, 21701)]