820664568

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{199967}}^1$

素因数の和:200001

約数の個数: 64

約数和(自身を含む): 2399616000

約数和(自身を除く): 1578951432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 199967, 399934, 599901, 799868, 1199802, 1599736, 1799703, 2399604, 3599406, 3799373, 4799208, 5399109, 7198812, 7598746, 10798218, 11398119, 14397624, 15197492, 21596436, 22796238, 30394984, 34194357, 43192872, 45592476, 68388714, 91184952, 102583071, 136777428, 205166142, 273554856, 410332284, 820664568]

約数ペア:

[(1, 820664568), (2, 410332284), (3, 273554856), (4, 205166142), (6, 136777428), (8, 102583071), (9, 91184952), (12, 68388714), (18, 45592476), (19, 43192872), (24, 34194357), (27, 30394984), (36, 22796238), (38, 21596436), (54, 15197492), (57, 14397624), (72, 11398119), (76, 10798218), (108, 7598746), (114, 7198812), (152, 5399109), (171, 4799208), (216, 3799373), (228, 3599406), (342, 2399604), (456, 1799703), (513, 1599736), (684, 1199802), (1026, 799868), (1368, 599901), (2052, 399934), (4104, 199967)]