981240364

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{1451539}}^1$

素因数の和:1451569

約数の個数: 18

約数和(自身を含む): 1859422740

約数和(自身を除く): 878182376

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 1451539, 2903078, 5806156, 18870007, 37740014, 75480028, 245310091, 490620182, 981240364]

約数ペア:

[(1, 981240364), (2, 490620182), (4, 245310091), (13, 75480028), (26, 37740014), (52, 18870007), (169, 5806156), (338, 2903078), (676, 1451539)]