1340804764

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{1983439}}^1$

素因数の和:1983469

約数の個数: 18

約数和(自身を含む): 2540786640

約数和(自身を除く): 1199981876

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 1983439, 3966878, 7933756, 25784707, 51569414, 103138828, 335201191, 670402382, 1340804764]

約数ペア:

[(1, 1340804764), (2, 670402382), (4, 335201191), (13, 103138828), (26, 51569414), (52, 25784707), (169, 7933756), (338, 3966878), (676, 1983439)]