399233464

素因数分解:

$2^3\times 7^1\times {\mathrm{977}}^1\times {\mathrm{7297}}^1$

素因数の和:8287

約数の個数: 32

約数和(自身を含む): 856493280

約数和(自身を除く): 457259816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 977, 1954, 3908, 6839, 7297, 7816, 13678, 14594, 27356, 29188, 51079, 54712, 58376, 102158, 204316, 408632, 7129169, 14258338, 28516676, 49904183, 57033352, 99808366, 199616732, 399233464]

約数ペア:

[(1, 399233464), (2, 199616732), (4, 99808366), (7, 57033352), (8, 49904183), (14, 28516676), (28, 14258338), (56, 7129169), (977, 408632), (1954, 204316), (3908, 102158), (6839, 58376), (7297, 54712), (7816, 51079), (13678, 29188), (14594, 27356)]