1680848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{8081}}^1$

素因数の和:8102

約数の個数: 20

約数和(自身を含む): 3507588

約数和(自身を除く): 1826740

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8081, 16162, 32324, 64648, 105053, 129296, 210106, 420212, 840424, 1680848]

約数ペア:

[(1, 1680848), (2, 840424), (4, 420212), (8, 210106), (13, 129296), (16, 105053), (26, 64648), (52, 32324), (104, 16162), (208, 8081)]