3313749940

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{393557}}^1$

素因数の和:393987

約数の個数: 24

約数和(自身を含む): 6975421992

約数和(自身を除く): 3661672052

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 393557, 787114, 1574228, 1967785, 3935570, 7871140, 165687497, 331374994, 662749988, 828437485, 1656874970, 3313749940]

約数ペア:

[(1, 3313749940), (2, 1656874970), (4, 828437485), (5, 662749988), (10, 331374994), (20, 165687497), (421, 7871140), (842, 3935570), (1684, 1967785), (2105, 1574228), (4210, 787114), (8420, 393557)]