128741264

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:796

約数の個数: 60

約数和(自身を含む): 272125440

約数和(自身を除く): 143384176

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 361, 496, 589, 719, 722, 1178, 1438, 1444, 2356, 2876, 2888, 4712, 5752, 5776, 9424, 11191, 11504, 13661, 22289, 22382, 27322, 44578, 44764, 54644, 89156, 89528, 109288, 178312, 179056, 218576, 259559, 356624, 423491, 519118, 846982, 1038236, 1693964, 2076472, 3387928, 4152944, 6775856, 8046329, 16092658, 32185316, 64370632, 128741264]

約数ペア:

[(1, 128741264), (2, 64370632), (4, 32185316), (8, 16092658), (16, 8046329), (19, 6775856), (31, 4152944), (38, 3387928), (62, 2076472), (76, 1693964), (124, 1038236), (152, 846982), (248, 519118), (304, 423491), (361, 356624), (496, 259559), (589, 218576), (719, 179056), (722, 178312), (1178, 109288), (1438, 89528), (1444, 89156), (2356, 54644), (2876, 44764), (2888, 44578), (4712, 27322), (5752, 22382), (5776, 22289), (9424, 13661), (11191, 11504)]