206551566

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4987}}^1$

素因数の和:5070

約数の個数: 64

約数和(自身を含む): 502790400

約数和(自身を除く): 296238834

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 59, 78, 117, 118, 177, 234, 351, 354, 531, 702, 767, 1062, 1534, 1593, 2301, 3186, 4602, 4987, 6903, 9974, 13806, 14961, 20709, 29922, 41418, 44883, 64831, 89766, 129662, 134649, 194493, 269298, 294233, 388986, 583479, 588466, 882699, 1166958, 1750437, 1765398, 2648097, 3500874, 3825029, 5296194, 7650058, 7944291, 11475087, 15888582, 22950174, 34425261, 68850522, 103275783, 206551566]

約数ペア:

[(1, 206551566), (2, 103275783), (3, 68850522), (6, 34425261), (9, 22950174), (13, 15888582), (18, 11475087), (26, 7944291), (27, 7650058), (39, 5296194), (54, 3825029), (59, 3500874), (78, 2648097), (117, 1765398), (118, 1750437), (177, 1166958), (234, 882699), (351, 588466), (354, 583479), (531, 388986), (702, 294233), (767, 269298), (1062, 194493), (1534, 134649), (1593, 129662), (2301, 89766), (3186, 64831), (4602, 44883), (4987, 41418), (6903, 29922), (9974, 20709), (13806, 14961)]