407020508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{7247}}^1$

素因数の和:8009

約数の個数: 24

約数和(自身を含む): 750892800

約数和(自身を除く): 343872292

約数列:

[1, 2, 4, 19, 38, 76, 739, 1478, 2956, 7247, 14041, 14494, 28082, 28988, 56164, 137693, 275386, 550772, 5355533, 10711066, 21422132, 101755127, 203510254, 407020508]

約数ペア:

[(1, 407020508), (2, 203510254), (4, 101755127), (19, 21422132), (38, 10711066), (76, 5355533), (739, 550772), (1478, 275386), (2956, 137693), (7247, 56164), (14041, 28988), (14494, 28082)]