209219164

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1739

約数の個数: 72

約数和(自身を含む): 472650080

約数和(自身を除く): 263430916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 121, 148, 154, 242, 259, 308, 407, 484, 518, 814, 847, 1036, 1628, 1669, 1694, 2849, 3338, 3388, 4477, 5698, 6676, 8954, 11396, 11683, 17908, 18359, 23366, 31339, 36718, 46732, 61753, 62678, 73436, 123506, 125356, 128513, 201949, 247012, 257026, 403898, 432271, 514052, 679283, 807796, 864542, 1358566, 1413643, 1729084, 2717132, 2827286, 4754981, 5654572, 7472113, 9509962, 14944226, 19019924, 29888452, 52304791, 104609582, 209219164]

約数ペア:

[(1, 209219164), (2, 104609582), (4, 52304791), (7, 29888452), (11, 19019924), (14, 14944226), (22, 9509962), (28, 7472113), (37, 5654572), (44, 4754981), (74, 2827286), (77, 2717132), (121, 1729084), (148, 1413643), (154, 1358566), (242, 864542), (259, 807796), (308, 679283), (407, 514052), (484, 432271), (518, 403898), (814, 257026), (847, 247012), (1036, 201949), (1628, 128513), (1669, 125356), (1694, 123506), (2849, 73436), (3338, 62678), (3388, 61753), (4477, 46732), (5698, 36718), (6676, 31339), (8954, 23366), (11396, 18359), (11683, 17908)]