1285757756

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{587}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 2351849472

約数和(自身を除く): 1066091716

約数列:

[1, 2, 4, 47, 61, 94, 122, 188, 191, 244, 382, 587, 764, 1174, 2348, 2867, 5734, 8977, 11468, 11651, 17954, 23302, 27589, 35807, 35908, 46604, 55178, 71614, 110356, 112117, 143228, 224234, 448468, 547597, 1095194, 1682929, 2190388, 3365858, 5269499, 6731716, 6839137, 10538998, 13678274, 21077996, 27356548, 321439439, 642878878, 1285757756]

約数ペア:

[(1, 1285757756), (2, 642878878), (4, 321439439), (47, 27356548), (61, 21077996), (94, 13678274), (122, 10538998), (188, 6839137), (191, 6731716), (244, 5269499), (382, 3365858), (587, 2190388), (764, 1682929), (1174, 1095194), (2348, 547597), (2867, 448468), (5734, 224234), (8977, 143228), (11468, 112117), (11651, 110356), (17954, 71614), (23302, 55178), (27589, 46604), (35807, 35908)]