205794654

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{743}}^1$

素因数の和:881

約数の個数: 64

約数和(自身を含む): 458970624

約数和(自身を除く): 253175970

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 67, 78, 106, 134, 159, 201, 318, 402, 689, 743, 871, 1378, 1486, 1742, 2067, 2229, 2613, 3551, 4134, 4458, 5226, 7102, 9659, 10653, 19318, 21306, 28977, 39379, 46163, 49781, 57954, 78758, 92326, 99562, 118137, 138489, 149343, 236274, 276978, 298686, 511927, 647153, 1023854, 1294306, 1535781, 1941459, 2638393, 3071562, 3882918, 5276786, 7915179, 15830358, 34299109, 68598218, 102897327, 205794654]

約数ペア:

[(1, 205794654), (2, 102897327), (3, 68598218), (6, 34299109), (13, 15830358), (26, 7915179), (39, 5276786), (53, 3882918), (67, 3071562), (78, 2638393), (106, 1941459), (134, 1535781), (159, 1294306), (201, 1023854), (318, 647153), (402, 511927), (689, 298686), (743, 276978), (871, 236274), (1378, 149343), (1486, 138489), (1742, 118137), (2067, 99562), (2229, 92326), (2613, 78758), (3551, 57954), (4134, 49781), (4458, 46163), (5226, 39379), (7102, 28977), (9659, 21306), (10653, 19318)]