1277999716

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{5689}}^1$

素因数の和:5884

約数の個数: 48

約数和(自身を含む): 2615397120

約数和(自身を除く): 1337397404

約数列:

[1, 2, 4, 7, 14, 28, 71, 113, 142, 226, 284, 452, 497, 791, 994, 1582, 1988, 3164, 5689, 8023, 11378, 16046, 22756, 32092, 39823, 56161, 79646, 112322, 159292, 224644, 403919, 642857, 807838, 1285714, 1615676, 2571428, 2827433, 4499999, 5654866, 8999998, 11309732, 17999996, 45642847, 91285694, 182571388, 319499929, 638999858, 1277999716]

約数ペア:

[(1, 1277999716), (2, 638999858), (4, 319499929), (7, 182571388), (14, 91285694), (28, 45642847), (71, 17999996), (113, 11309732), (142, 8999998), (226, 5654866), (284, 4499999), (452, 2827433), (497, 2571428), (791, 1615676), (994, 1285714), (1582, 807838), (1988, 642857), (3164, 403919), (5689, 224644), (8023, 159292), (11378, 112322), (16046, 79646), (22756, 56161), (32092, 39823)]