1640257616

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{3306971}}^1$

素因数の和:3307010

約数の個数: 20

約数和(自身を含む): 3280516224

約数和(自身を除く): 1640258608

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 3306971, 6613942, 13227884, 26455768, 52911536, 102516101, 205032202, 410064404, 820128808, 1640257616]

約数ペア:

[(1, 1640257616), (2, 820128808), (4, 410064404), (8, 205032202), (16, 102516101), (31, 52911536), (62, 26455768), (124, 13227884), (248, 6613942), (496, 3306971)]