200812456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{4721}}^1$

素因数の和:5149

約数の個数: 32

約数和(自身を含む): 406564200

約数和(自身を除く): 205751744

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409, 818, 1636, 3272, 4721, 5317, 9442, 10634, 18884, 21268, 37768, 42536, 61373, 122746, 245492, 490984, 1930889, 3861778, 7723556, 15447112, 25101557, 50203114, 100406228, 200812456]

約数ペア:

[(1, 200812456), (2, 100406228), (4, 50203114), (8, 25101557), (13, 15447112), (26, 7723556), (52, 3861778), (104, 1930889), (409, 490984), (818, 245492), (1636, 122746), (3272, 61373), (4721, 42536), (5317, 37768), (9442, 21268), (10634, 18884)]