128541712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3137}}^1$

素因数の和:3355

約数の個数: 40

約数和(自身を含む): 269654616

約数和(自身を除く): 141112904

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 788, 1576, 2561, 3137, 3152, 5122, 6274, 10244, 12548, 20488, 25096, 40781, 40976, 50192, 81562, 163124, 326248, 617989, 652496, 1235978, 2471956, 4943912, 8033857, 9887824, 16067714, 32135428, 64270856, 128541712]

約数ペア:

[(1, 128541712), (2, 64270856), (4, 32135428), (8, 16067714), (13, 9887824), (16, 8033857), (26, 4943912), (52, 2471956), (104, 1235978), (197, 652496), (208, 617989), (394, 326248), (788, 163124), (1576, 81562), (2561, 50192), (3137, 40976), (3152, 40781), (5122, 25096), (6274, 20488), (10244, 12548)]