1275953872

素因数分解:

$2^4\times {\mathrm{4987}}^1\times {\mathrm{15991}}^1$

素因数の和:20986

約数の個数: 20

約数和(自身を含む): 2472810976

約数和(自身を除く): 1196857104

約数列:

[1, 2, 4, 8, 16, 4987, 9974, 15991, 19948, 31982, 39896, 63964, 79792, 127928, 255856, 79747117, 159494234, 318988468, 637976936, 1275953872]

約数ペア:

[(1, 1275953872), (2, 637976936), (4, 318988468), (8, 159494234), (16, 79747117), (4987, 255856), (9974, 127928), (15991, 79792), (19948, 63964), (31982, 39896)]