321177304

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{80779}}^1$

素因数の和:80863

約数の個数: 32

約数和(自身を含む): 697939200

約数和(自身を除く): 376761896

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 80779, 161558, 323116, 565453, 646232, 1130906, 2261812, 4523624, 5735309, 11470618, 22941236, 40147163, 45882472, 80294326, 160588652, 321177304]

約数ペア:

[(1, 321177304), (2, 160588652), (4, 80294326), (7, 45882472), (8, 40147163), (14, 22941236), (28, 11470618), (56, 5735309), (71, 4523624), (142, 2261812), (284, 1130906), (497, 646232), (568, 565453), (994, 323116), (1988, 161558), (3976, 80779)]