208698448

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^2\times {\mathrm{277}}^1$

素因数の和:361

約数の個数: 90

約数和(自身を含む): 487787418

約数和(自身を除く): 279088970

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 277, 392, 434, 496, 554, 784, 868, 961, 1108, 1519, 1736, 1922, 1939, 2216, 3038, 3472, 3844, 3878, 4432, 6076, 6727, 7688, 7756, 8587, 12152, 13454, 13573, 15376, 15512, 17174, 24304, 26908, 27146, 31024, 34348, 47089, 53816, 54292, 60109, 68696, 94178, 107632, 108584, 120218, 137392, 188356, 217168, 240436, 266197, 376712, 420763, 480872, 532394, 753424, 841526, 961744, 1064788, 1683052, 1863379, 2129576, 3366104, 3726758, 4259152, 6732208, 7453516, 13043653, 14907032, 26087306, 29814064, 52174612, 104349224, 208698448]

約数ペア:

[(1, 208698448), (2, 104349224), (4, 52174612), (7, 29814064), (8, 26087306), (14, 14907032), (16, 13043653), (28, 7453516), (31, 6732208), (49, 4259152), (56, 3726758), (62, 3366104), (98, 2129576), (112, 1863379), (124, 1683052), (196, 1064788), (217, 961744), (248, 841526), (277, 753424), (392, 532394), (434, 480872), (496, 420763), (554, 376712), (784, 266197), (868, 240436), (961, 217168), (1108, 188356), (1519, 137392), (1736, 120218), (1922, 108584), (1939, 107632), (2216, 94178), (3038, 68696), (3472, 60109), (3844, 54292), (3878, 53816), (4432, 47089), (6076, 34348), (6727, 31024), (7688, 27146), (7756, 26908), (8587, 24304), (12152, 17174), (13454, 15512), (13573, 15376)]