2780455912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1621}}^1\times {\mathrm{16493}}^1$

素因数の和:18133

約数の個数: 32

約数和(自身を含む): 5618186280

約数和(自身を除く): 2837730368

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1621, 3242, 6484, 12968, 16493, 21073, 32986, 42146, 65972, 84292, 131944, 168584, 214409, 428818, 857636, 1715272, 26735153, 53470306, 106940612, 213881224, 347556989, 695113978, 1390227956, 2780455912]

約数ペア:

[(1, 2780455912), (2, 1390227956), (4, 695113978), (8, 347556989), (13, 213881224), (26, 106940612), (52, 53470306), (104, 26735153), (1621, 1715272), (3242, 857636), (6484, 428818), (12968, 214409), (16493, 168584), (21073, 131944), (32986, 84292), (42146, 65972)]