840424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{8081}}^1$

素因数の和:8100

約数の個数: 16

約数和(自身を含む): 1697220

約数和(自身を除く): 856796

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 8081, 16162, 32324, 64648, 105053, 210106, 420212, 840424]

約数ペア:

[(1, 840424), (2, 420212), (4, 210106), (8, 105053), (13, 64648), (26, 32324), (52, 16162), (104, 8081)]