988890137768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6841}}^1\times {\mathrm{81761}}^1$

素因数の和:88638

約数の個数: 64

約数和(自身を含む): 2114590983120

約数和(自身を除く): 1125700845352

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 6841, 13682, 27364, 54728, 81761, 88933, 116297, 163522, 177866, 232594, 327044, 355732, 465188, 654088, 711464, 930376, 1062893, 1389937, 1511861, 2125786, 2779874, 3023722, 4251572, 5559748, 6047444, 8503144, 11119496, 12094888, 18069181, 36138362, 72276724, 144553448, 559327001, 1118654002, 2237308004, 4474616008, 7271251013, 9508559017, 14542502026, 19017118034, 29085004052, 38034236068, 58170008104, 76068472136, 123611267221, 247222534442, 494445068884, 988890137768]

約数ペア:

[(1, 988890137768), (2, 494445068884), (4, 247222534442), (8, 123611267221), (13, 76068472136), (17, 58170008104), (26, 38034236068), (34, 29085004052), (52, 19017118034), (68, 14542502026), (104, 9508559017), (136, 7271251013), (221, 4474616008), (442, 2237308004), (884, 1118654002), (1768, 559327001), (6841, 144553448), (13682, 72276724), (27364, 36138362), (54728, 18069181), (81761, 12094888), (88933, 11119496), (116297, 8503144), (163522, 6047444), (177866, 5559748), (232594, 4251572), (327044, 3023722), (355732, 2779874), (465188, 2125786), (654088, 1511861), (711464, 1389937), (930376, 1062893)]