408268016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{63317}}^1$

素因数の和:63369

約数の個数: 40

約数和(自身を含む): 879360384

約数和(自身を除く): 471092368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 63317, 126634, 253268, 506536, 823121, 1013072, 1646242, 1962827, 3292484, 3925654, 6584968, 7851308, 13169936, 15702616, 25516751, 31405232, 51033502, 102067004, 204134008, 408268016]

約数ペア:

[(1, 408268016), (2, 204134008), (4, 102067004), (8, 51033502), (13, 31405232), (16, 25516751), (26, 15702616), (31, 13169936), (52, 7851308), (62, 6584968), (104, 3925654), (124, 3292484), (208, 1962827), (248, 1646242), (403, 1013072), (496, 823121), (806, 506536), (1612, 253268), (3224, 126634), (6448, 63317)]