1555142008

素因数分解:

$2^3\times 7^2\times {\mathrm{139}}^1\times {\mathrm{28541}}^1$

素因数の和:28700

約数の個数: 48

約数和(自身を含む): 3416477400

約数和(自身を除く): 1861335392

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 139, 196, 278, 392, 556, 973, 1112, 1946, 3892, 6811, 7784, 13622, 27244, 28541, 54488, 57082, 114164, 199787, 228328, 399574, 799148, 1398509, 1598296, 2797018, 3967199, 5594036, 7934398, 11188072, 15868796, 27770393, 31737592, 55540786, 111081572, 194392751, 222163144, 388785502, 777571004, 1555142008]

約数ペア:

[(1, 1555142008), (2, 777571004), (4, 388785502), (7, 222163144), (8, 194392751), (14, 111081572), (28, 55540786), (49, 31737592), (56, 27770393), (98, 15868796), (139, 11188072), (196, 7934398), (278, 5594036), (392, 3967199), (556, 2797018), (973, 1598296), (1112, 1398509), (1946, 799148), (3892, 399574), (6811, 228328), (7784, 199787), (13622, 114164), (27244, 57082), (28541, 54488)]