1279289491208

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{659}}^1\times {\mathrm{1619}}^1\times {\mathrm{2111}}^1$

素因数の和:4466

約数の個数: 64

約数和(自身を含む): 2438802432000

約数和(自身を除く): 1159512940792

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 659, 1318, 1619, 2111, 2636, 3238, 4222, 5272, 6476, 8444, 12952, 16888, 46789, 93578, 114949, 149881, 187156, 229898, 299762, 374312, 459796, 599524, 919592, 1066921, 1199048, 1391149, 2133842, 2782298, 3417709, 4267684, 5564596, 6835418, 8535368, 11129192, 13670836, 27341672, 75751391, 98771579, 151502782, 197543158, 242657339, 303005564, 395086316, 485314678, 606011128, 790172632, 970629356, 1941258712, 2252270231, 4504540462, 9009080924, 18018161848, 159911186401, 319822372802, 639644745604, 1279289491208]

約数ペア:

[(1, 1279289491208), (2, 639644745604), (4, 319822372802), (8, 159911186401), (71, 18018161848), (142, 9009080924), (284, 4504540462), (568, 2252270231), (659, 1941258712), (1318, 970629356), (1619, 790172632), (2111, 606011128), (2636, 485314678), (3238, 395086316), (4222, 303005564), (5272, 242657339), (6476, 197543158), (8444, 151502782), (12952, 98771579), (16888, 75751391), (46789, 27341672), (93578, 13670836), (114949, 11129192), (149881, 8535368), (187156, 6835418), (229898, 5564596), (299762, 4267684), (374312, 3417709), (459796, 2782298), (599524, 2133842), (919592, 1391149), (1066921, 1199048)]