408259904

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{490697}}^1$

素因数の和:490722

約数の個数: 28

約数和(自身を含む): 872461044

約数和(自身を除く): 464201140

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 490697, 981394, 1962788, 3925576, 6379061, 7851152, 12758122, 15702304, 25516244, 31404608, 51032488, 102064976, 204129952, 408259904]

約数ペア:

[(1, 408259904), (2, 204129952), (4, 102064976), (8, 51032488), (13, 31404608), (16, 25516244), (26, 15702304), (32, 12758122), (52, 7851152), (64, 6379061), (104, 3925576), (208, 1962788), (416, 981394), (832, 490697)]