199255888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 442193920

約数和(自身を除く): 242938032

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 127, 152, 208, 247, 254, 304, 397, 494, 508, 794, 988, 1016, 1588, 1651, 1976, 2032, 2413, 3176, 3302, 3952, 4826, 5161, 6352, 6604, 7543, 9652, 10322, 13208, 15086, 19304, 20644, 26416, 30172, 31369, 38608, 41288, 50419, 60344, 62738, 82576, 98059, 100838, 120688, 125476, 196118, 201676, 250952, 392236, 403352, 501904, 655447, 784472, 806704, 957961, 1310894, 1568944, 1915922, 2621788, 3831844, 5243576, 7663688, 10487152, 12453493, 15327376, 24906986, 49813972, 99627944, 199255888]

約数ペア:

[(1, 199255888), (2, 99627944), (4, 49813972), (8, 24906986), (13, 15327376), (16, 12453493), (19, 10487152), (26, 7663688), (38, 5243576), (52, 3831844), (76, 2621788), (104, 1915922), (127, 1568944), (152, 1310894), (208, 957961), (247, 806704), (254, 784472), (304, 655447), (397, 501904), (494, 403352), (508, 392236), (794, 250952), (988, 201676), (1016, 196118), (1588, 125476), (1651, 120688), (1976, 100838), (2032, 98059), (2413, 82576), (3176, 62738), (3302, 60344), (3952, 50419), (4826, 41288), (5161, 38608), (6352, 31369), (6604, 30172), (7543, 26416), (9652, 20644), (10322, 19304), (13208, 15086)]