205556104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 425779200

約数和(自身を除く): 220223096

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 127, 158, 197, 254, 316, 394, 508, 632, 788, 1016, 1027, 1576, 1651, 2054, 2561, 3302, 4108, 5122, 6604, 8216, 10033, 10244, 13208, 15563, 20066, 20488, 25019, 31126, 40132, 50038, 62252, 80264, 100076, 124504, 130429, 200152, 202319, 260858, 325247, 404638, 521716, 650494, 809276, 1043432, 1300988, 1618552, 1976501, 2601976, 3953002, 7906004, 15812008, 25694513, 51389026, 102778052, 205556104]

約数ペア:

[(1, 205556104), (2, 102778052), (4, 51389026), (8, 25694513), (13, 15812008), (26, 7906004), (52, 3953002), (79, 2601976), (104, 1976501), (127, 1618552), (158, 1300988), (197, 1043432), (254, 809276), (316, 650494), (394, 521716), (508, 404638), (632, 325247), (788, 260858), (1016, 202319), (1027, 200152), (1576, 130429), (1651, 124504), (2054, 100076), (2561, 80264), (3302, 62252), (4108, 50038), (5122, 40132), (6604, 31126), (8216, 25019), (10033, 20488), (10244, 20066), (13208, 15563)]